Long Tail Books

What Long Tail Books does

Long Tail Books (롱테일북스) is a privately held Korean publisher of English language learning materials, founded in 2007 and headquartered in Mapo-gu, Seoul, operating under the legal entity 롱테일(주) (Longtail Inc.). The company specializes in adapting internationally recognized English children's literature — including Newbery Award winners and established series such as Nate the Great, Arthur Chapter Book, and Wayside School — for Korean learners, bundling each adapted text with Korean translations, vocabulary workbooks, comprehension quizzes, and dual-format audiobooks (native-speed listening and slower read-aloud). Beyond classic chapter books, the company operates the 낭독스쿨 (Reading School) program and product line, co-developed with Korean English education experts Lee Hyun-seok and SeoBaekDal/Nam Soo-jin, covering classic fairy tales, EBS-derived health/wellness titles, and a newer Famous Speeches series featuring contemporary global figures.

The core technology is traditional publishing augmented by a rules-based audiobook download system that requires learners to pass a comprehension quiz before accessing audio files. There is no software platform, API, or AI component. Products are organized by proficiency level with a published level-selection guide, and each title or box set carries a fixed one-time price.

The business model is direct-to-consumer and B2B2C: Long Tail Books sells through its own Naver Smart Store storefront, distributes via major Korean online bookstores (Yes24, Interpark, Aladin) and offline chains (Kyobo, Youngpoong), and runs a bulk school-sales channel through a designated distributor for institutional orders of 50+ books. Pricing is one-time/perpetual, ranging from 11,000 KRW per individual book to 120,000 KRW per full package set. Marketing relies on the official website, Naver blog and community cafe, EBS official lecture adoption as a credibility channel, and celebrity-expert endorsements. The company is small (1-10 employees), privately funded with no recorded external investment, and operates exclusively in the South Korean market.

Name

Long Tail Books

Legal name

롱테일(주)

Website

https://longtailbooks.co.kr

Company type

Private

Founded year

2007

Operating status

Operating

Headcount range

1–10 employees

Short description

Long Tail Books is a privately held Seoul-based Korean publisher that adapts internationally recognized English children's literature and leveled reading series (Nate the Great, Arthur, Wayside School, fairy tales, famous speeches) with Korean translations, workbooks, and audiobooks for Korean learners and home-education parents.

Ownership category

akta.pro rank

Product category

Educational Book Publishing

NAICS

Book Publishers (513130), Book Publishers (51313)

SIC

Books: Publishing Or Publishing & Printing (2731), Book Printing (2732)

akta.pro primary industry

Graded Readers & Extensive Reading Programs (EDAGAHAK)

akta.pro secondary industries

Early Readers & Chapter Books Publishing (MPAJAFAB), Children’s Activity & Practice Books (Workbooks, Puzzles, Handwriting) (EDAGAIAE)

Keywords

• English learning books
• Graded English readers
• Korean book publishing
• Children's literature adaptations
• English education materials

Headquarters

HQ city

Seoul

HQ country

South Korea

HQ region

Asia

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Others, Operations, Marketing or Sales, Technology or R&D

Revenue model

1. Book Sales: One-time sales of physical books including original English texts, workbooks, and full package sets. Products are sold at fixed prices per unit or as complete box sets.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

Long Tail Books is a Korean publisher that adapts internationally recognized English children's literature into Korean learner editions. Each edition pairs the original English text with Korean translations, vocabulary workbooks, comprehension quizzes, and dual-format audiobooks (listening training and read-aloud). The portfolio spans Newbery-honored chapter book series (Nate the Great, Arthur Chapter Book, Wayside School), graded fairy-tale and famous-speech readers under the Nangdok School (낭독스쿨) program, and movie-based English readers, sold primarily as physical books with MP3 audio CDs.

Product overview

롱테일북스(Long Tail Books) is a Korean English language learning materials publisher offering English original books adapted for Korean learners. The portfolio includes three main product lines: (1) Classic English chapter books (Nate the Great, Arthur Chapter Book, Wayside School) with Korean translations and workbooks; (2) 낭독스쿨 platform products (낭독하는 명작동화, 낭독하는 명연설문, 낭독하는 입트영) developed with education experts; and (3) Movie-based English books (Disney, Pixar, Marvel adaptations) with Korean translations. Products are distributed as physical books with audio CDs and supplementary digital downloads. The company operates as a traditional publisher without a technology platform or API.

Differentiator

Problem solved

Functional benefit

Brands

• 낭독스쿨 (Nangdok School): Educational program focused on English reading aloud methodology developed by English education experts

Products and services

• Nate the Great Full Package (네이트 더 그레이트 풀패키지) Comprehensive English learning package containing 12 Nate the Great original chapter books, 12 workbooks with Korean translations and learning activities, and 3 MP3 audio CDs. Designed for beginner Korean English learners using original English chapter books.
• Nate the Great Workbook Set (네이트 더 그레이트 워크북 세트) 12-volume workbook set for the Nate the Great series, including Korean translations, learning activities, and 3 MP3 audio CDs. Sold separately from the original book set or as part of the full package.
• Arthur Chapter Book Series (아서 챕터북 시리즈) 10-volume English chapter book series optimized for Korean English learners with vocabulary lists, Korean translations, comprehension quizzes, and dual audiobook formats (listening training and read-aloud). Adopted as official EBS lecture material.
• Wayside School Series (웨이사이드 스쿨 시리즈) Multi-volume Newbery-honored Wayside School series by Louis Sachar. Each volume includes the English original text, workbook with comprehension quizzes, vocabulary lists, and MP3 audio, and is adopted as EBS video lecture material.
• Mr. Popper's Penguins (파퍼 씨의 펭귄) Newbery Honor award-winning children's book by Richard and Florence Atwater, adapted by Long Tail Books with English original text, Korean translation, workbook, and audio support.
• The Hundred Dresses (백 벌의 드레스) Newbery Honor award-winning story about kindness and empathy by Eleanor Estes, adapted by Long Tail Books with English text, Korean translation, and comprehension materials.
• Hatchet (손도끼) Newbery Honor award-winning survival novel by Gary Paulsen about a boy stranded after a plane crash. Long Tail Books edition includes comprehensive English text, Korean translation, and learning materials.
• Reading Classic Fairy Tales (낭독하는 명작동화) Graded fairy-tale reader series adapted for Korean English learners, part of the Nangdok School (낭독스쿨) program. Features classic tales at AR level 2.5–3.3 with approximately 1,100 words per volume, picture cards, and discussion questions. Created by English education experts SeoBaekDal (Nam Soo-jin) and Lee Hyun-seok.
• Reading Famous Speeches (낭독하는 명연설문) Graded reader series featuring famous speeches by world leaders and celebrities (Elon Musk, Oprah Winfrey, Jeff Bezos, Jensen Huang, Beyoncé, Satya Nadella, etc.) adapted for English reading practice using the Nangdok reading-aloud method. Includes key expressions, Korean translation, speech summaries, and audio.
• Reading English That Opens Mouth (낭독하는 입트영) English learning book series based on the EBS '입이 트이는 영어' (Open Your Mouth English) program by Lee Hyun-seok, adapted for the Nangdok School (낭독스쿨) reading-aloud method. Features health and wellness topics with pattern practice, dialogues, and audio materials.
• English Original Books from Movies (영화로 읽는 영어원서) Series of movie-based English original books adapted for English learning. Includes Disney films (Frozen, Inside Out, Moana), Pixar films (Coco, Soul, Toy Story), Marvel films (Avengers, Spider-Man, Iron Man), and others with Korean translations and audio.
• Reading School / Nangdok School (낭독스쿨) Educational platform and program for English reading-aloud (낭독) practice developed by Lee Hyun-seok and SeoBaekDal (Nam Soo-jin). Features curated English books optimized for reading practice with audio support, vocabulary guides, and comprehension materials, serving as the umbrella program for the Classic Fairy Tales, Famous Speeches, and Reading English That Opens Mouth series.

Quantifiable outcome

• Arthur Chapter Book: 66 million+ copies sold in US
• +2 more outcomes

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Five partnerships are on record, tiered core and major.

• EBS (한국교육방송)coreStrategic or Co-development PartnerEBS has adopted Long Tail Books materials (Arthur Chapter Book series) as official lecture curriculum on their language learning platform EBSlang.co.kr. Video lectures are provided through www.EBSreading.com, featuring expert instruction on reading methodology.
• Lee Hyun-seok (이현석)coreStrategic or Co-development PartnerEBS English broadcasting personality and simultaneous Korean-English interpreter who co-creates content including '입이 트이는 영어' series adapted into Reading School materials. He is a co-operator of the Reading School (낭독스쿨) program.
• SeoBaekDal/Nam Soo-jin (새벽달/남수진)coreStrategic or Co-development PartnerEnglish education expert and Chinese simultaneous interpreter who co-developed '낭독하는 명작동화' (Classic Fairy Tales for Reading) series. Pioneer of '엄마표 영어' (home-based English education) methodology. Co-operator of Reading School program.
• Major Korean Bookstores (교보문고, 영풍문고, Yes24, 인터파크, 알라딘)majorChannel Partner/ Reseller/ DistributorDistribution partnerships with major Korean bookstore chains for both online and offline sales channels.
• Long Tail Books Distributor (총판)majorChannel Partner/ Reseller/ DistributorDesignated distributor for bulk school orders (50+ books) handling institutional purchases.

Scale indicators6 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Compass Publishing: Compass Publishing is a Korean-founded publisher specializing in English graded readers and ESL/EFL learning materials for global learners, including Korean, Chinese, and Japanese markets. Its product line of leveled readers with audio and workbook supplements directly overlaps with Long Tail Books' core offering.

Others

• Kyowon (교원그룹): Kyowon is a major Korean education company with publishing, tutoring, and edtech divisions. While not a direct competitor in graded English readers, it is a relevant ecosystem participant and potential acquirer in the Korean home-English learning market Long Tail Books serves.

Broad incumbents

• Neungyule Education (능률교육): Neungyule Education is one of Korea's largest education publishers, producing English textbooks, workbooks, and digital learning content. While much broader than Long Tail Books, it competes for the same Korean parent and student English-learning wallet.
• Chunjae Education (천재교육): Chunjae Education is a leading Korean educational publisher with a substantial English textbook and learning-materials division. It targets the same Korean school and home English segments, but at much larger scale and across a wider subject portfolio.
• Cambridge University Press Korea: Cambridge University Press produces English graded readers, textbooks, and learning materials used widely in Korean schools and academies. It is comparable to Long Tail Books in product category (English learning content) but is a global academic publisher.
• Oxford University Press Korea: Oxford University Press publishes graded English readers and ESL materials globally with a Korean distribution arm. It competes with Long Tail Books in the same English-original-reader category but is a multinational publisher rather than a niche local specialist.
• Daekyo (대교): Daekyo is a large Korean education conglomerate (Eyelevel, SkyEDU, Dokdo publishing) producing English learning books, workbooks, and tutoring content. It overlaps with Long Tail Books' child-English segment at much greater scale.
• YBM (올림피스교재): YBM is a major Korean English-education and publishing group producing textbooks, learning materials, and digital content. It serves the same Korean English-learning market as Long Tail Books but across a much broader K-12 and adult catalog.

Emerging players

• SeedLearn (시드런): SeedLearn is a Korean English education company offering English reading programs and textbooks targeted at children. It overlaps with Long Tail Books' leveled-reader, home-English niche but with a more curriculum-system approach.
• Cake (케이크): Cake is a Korean-founded English learning app providing short-form reading and audio content with subscription pricing. It targets the same Korean English self-learner and parent segments as Long Tail Books but via a digital subscription model instead of physical book bundles.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/longtailbooks
• Facebookfacebook.com/longtailbooks

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments1 record

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Long Tail Books