Cardinal Rule Press

What Cardinal Rule Press does

Cardinal Rule Press is a privately held, founder-owned independent children's book publisher headquartered in Wixom, Michigan (southeast Michigan), founded by Maria Dismondy (a former teacher) in 2015 to produce realistic, representative picture books centered on social-emotional learning themes including kindness, empathy, diversity, grief, bullying, and identity. The company publishes over two dozen titles — all featuring real-world human characters and accompanied by free educator resources such as Lexile and Fountas & Pinnell leveled lesson plans and coloring pages — and reports cumulative worldwide sales of over one million copies. Its catalog operates alongside two imprints: Bucket Filler Books (licensed content by Carol McCloud on the bucket-filling kindness concept) and Violet Street Press (non-fiction professional development for families and teachers).

The business operates across four primary revenue streams: (1) direct-to-consumer book sales via a Shopify-powered storefront at cardinalrulepress.com offering individual titles ($10–$19.95), themed bundles ($20), the full CRP Book Bundle ($75), author visit bundles ($11), and the EPIC Experience Ticket ($27); (2) wholesale distribution through Independent Publishers Group (IPG) globally and Turnaround Publisher Services in the UK, reaching Amazon, Barnes & Noble, Books-a-Million, and library wholesalers; (3) paid school assembly, keynote, and virtual author visit programs with bulk book discounts and a 30% school fundraiser rebate; and (4) Library Book Walk partnerships sold at $250 each with 13-15 outdoor story boards. Audiobook and audio-described editions extend accessibility for visually impaired readers.

The go-to-market combines content marketing (blog, 'All the Write Marketing' podcast), multi-platform social media (Instagram, Facebook, Twitter/X, TikTok, Pinterest, YouTube, LinkedIn), influencer and affiliate programs with a minimum 10k-follower threshold, press coverage from NPR, Kirkus, Publisher's Weekly, School Library Journal, HuffPost, and others, and event-driven sales through school assemblies, book signings, and the theatrical adaptation of 'Spaghetti in a Hot Dog Bun' by Stars Within Reach Production Company. The company also operates the Making Spirits Bright nonprofit for literacy outreach. The technology stack is non-proprietary, relying on Shopify, Google Analytics, Facebook Ads, and Google Ads.

Name

Cardinal Rule Press

Legal name

Cardinal Rule Press, Inc.

Website

https://cardinalrulepress.com

Company type

Private

Founded year

2015

Operating status

Operating

Headcount range

11–50 employees

Short description

Cardinal Rule Press is a Wixom, Michigan-based independent children's book publisher producing realistic, social-emotional-learning picture books for schools, libraries, families, and booksellers, distributed via IPG, Turnaround, and its own Shopify storefront.

Ownership category

akta.pro rank

Product category

Children's Book Publishing

NAICS

Book Publishers (513130), Book Publishers (51313)

SIC

Books: Publishing Or Publishing & Printing (2731)

akta.pro primary industry

Mass Market & Paperback Publishing (MPAJAAAD)

akta.pro secondary industry

Children’s Licensed & Media Tie-In Publishing (MPAJAFAK)

Keywords

• Children's book publishing
• Social emotional learning books
• Picture books
• School author visits
• Library book walks

Headquarters

HQ city

Wixom

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Book Sales: CRP generates revenue primarily through the sale of children's picture books and bundled collections directly to consumers via its Shopify-powered e-commerce site and through retail distribution via IPG worldwide and Turnaround in the UK. Titles are available in hardcover, paperback, ebook, and audiobook formats. Foreign language editions (Spanish) are also sold.
2. Speaking Engagements / Author Visits: CRP authors conduct paid school assemblies, keynote addresses, breakout sessions, and virtual classroom visits. Author visit book bundles are sold at $11.00 per copy as part of these engagements. Schools can also organize fundraisers with 30% of proceeds rebated to the school.
3. Library Book Walk Partnerships: CRP charges $250 for library book walk partnerships, where personalized story boards (13-15 boards) are created and delivered for library outdoor display. Replacement boards are available for approximately $16 each.
4. Audiobook Sales: Several titles have been professionally produced as Audio Described books for individuals who are blind or visually impaired, sold through Amazon (a.co links) as audiobooks.

Pricing tiers

Go-to-market motion3 records

Distribution channels6 records

Marketing channels10 records

Core offering

Cardinal Rule Press is an independent children's book publisher that produces and sells realistic, SEL-focused picture books (ages 4-11) in hardcover, paperback, ebook, audiobook, and Spanish-language formats. Beyond book sales, the company delivers paid school author-visit assemblies (virtual and in-person), Library Book Walk partnerships, and book bundles marketed primarily to schools, families, libraries, and booksellers via direct e-commerce and wholesale distribution through IPG and Turnaround.

Differentiator

Problem solved

Functional benefit

Brands

• Violet Street Press: An imprint that publishes non-fiction books for families and teachers focused on professional development and personal growth, with a focus on inclusivity and character building.
• Bucket Filler Books

Products and services

• Cardinal Rule Press Picture Books Realistic, representative, SEL-focused picture books (ages 4-11) covering kindness, empathy, diversity, anti-bullying, grief, and identity, with Lexile and Fountas & Pinnell leveling and free K-5 lesson plans and coloring pages. Sold direct via Shopify, through IPG/Turnaround wholesale, and at Amazon, Barnes & Noble, and Books-a-Million for schools, libraries, families, and booksellers.
• Themed Book Bundles Curated 4-book collections on focused SEL themes (Kindness Bundle, Empower Bundle, You Do You Bundle, Family Bundle) priced at $20 each, plus the full CRP Book Bundle (all four themed bundles) at $75.
• CRP Author Visit / School Assembly Program Paid speaking engagements where CRP authors deliver character-education and SEL assemblies, keynote addresses, breakout sessions, and virtual classroom visits at schools worldwide; includes grant assistance for funding visits and a 30% school fundraiser rebate on book sale proceeds.
• Library Book Walk Partnership Outdoor community reading installation for libraries: 13-15 personalized story boards placed along a walking path or outdoor area for a 4-6 week programming period, with full partnership priced at $250.
• Audiobooks (Audio Described Editions) Audio-described audiobook editions of select CRP titles, professionally produced and sold through Amazon to increase accessibility for readers who are blind or visually impaired.
• Foreign Language / Spanish Editions Spanish-language translations of CRP children's titles broadening accessibility for bilingual readers and ELL classrooms.

Quantifiable outcome

• Over 1 million copies sold worldwide
• +2 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

Partnerships

Five partnerships are on record, tiered core and minor.

• Independent Publishers Group (IPG)coreChannel Partner/ Reseller/ DistributorIPG is CRP's primary distributor, providing full-service sales and distribution to accounts worldwide in both print and electronic formats. IPG handles wholesale orders from retailers, libraries, and schools. CRP describes the relationship as positive and notes that IPG provides national coverage and attention for their titles. IPG contact: 1-800-888-4741 or [email protected].
• Turnaround Publisher ServicescoreChannel Partner/ Reseller/ DistributorTurnaround Publisher Services is Britain's leading independent book distributor and serves as CRP's regional distributor for the UK market. The company has been working with publishers since 1984 to get books into readers' hands.
• Stars Within Reach Production CompanyminorStrategic or Co-development PartnerStars Within Reach Production Company based in New York City adapted Spaghetti in a Hot Dog Bun into a children's musical that tours the country. The production has become 'wildly successful with schools and youth theaters nationwide.' This is a licensing/creative collaboration for theatrical adaptation of a CRP title.
• Making Spirits BrightcoreOthersMaking Spirits Bright is a nonprofit founded by CRP's publisher Maria Dismondy, dedicated to promoting literacy and ensuring all children have access to meaningful, diverse books. Through free book fairs, Little Free Libraries, and school partnerships, the organization helps kids build home libraries. Together with CRP, they work to make diverse, empowering stories accessible to all.
• Bucket Filler Books (imprint)minorOthersCRP operates a third imprint called Bucket Filler Books that focuses on the concept of bucket filling (acts of kindness that increase happiness) authored by Carol McCloud. Titles include 'Have You Filled A Bucket Today?' published under this imprint in collaboration with Carol McCloud.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Albert Whitman & Company: Independent children's book publisher based in the US Midwest, focused on picture books and middle-grade titles with social-emotional themes and diverse representation. Comparable to CRP in scale, mission, and B2B/B2C distribution mix.
• Lee & Low Books: Independent publisher specializing in diverse children's books across picture books, middle grade, and YA. Closely comparable to CRP in its diversity-driven, educator-aligned mission, direct-to-school sales, and award-recognized catalog.
• Free Spirit Publishing: Independent children's book publisher focused on social-emotional learning, character education, and self-esteem titles for K-5 audiences. Directly comparable in SEL subject matter, educator resources, and direct-to-school distribution strategy.
• Tilbury House Publishers: Independent children's publisher known for picture books addressing SEL, diversity, inclusion, and environmental themes. Comparable niche positioning to CRP with a similar award-credentialled catalog and educator-focused distribution.
• Kane Press: Independent children's publisher focused on early-reader and picture books with social-emotional and STEM themes, often paired with classroom guides. Comparable in school-channel orientation, SEL content, and educational distribution.

Regional players

• Sleeping Bear Press: Michigan-based independent children's publisher with broad picture-book and middle-grade catalog. Comparable as a fellow small US indie publisher with a regional anchor and national distribution, though its editorial focus is less SEL-specific.

Broad incumbents

• Bloomsbury Children's Books: Major children's imprint of Bloomsbury Publishing with broad picture-book and middle-grade lists, including award-winning titles in SEL and diversity categories. Relevant as a larger incumbent that competes for the same shelf space, awards, and library procurement.
• Scholastic Book Club: Dominant K-5 book distribution channel operating through classroom-based ordering and school flyers. Comparable as a key route-to-school for children's books, representing both a distribution partner opportunity and a competitive threat for CRP's direct school channel.
• Lerner Publishing Group: Independent children's book publisher with multiple imprints (Kar-Ben, Millbrook, Carolrhoda) producing SEL, diversity, and educational picture books for K-5. Comparable in school/library orientation, multi-imprint structure, and SEL/diversity focus, but at a significantly larger scale.
• Sourcebooks (Sourcebooks Wonderland): Independent publisher with a children's imprint producing picture books and middle-grade titles. Comparable as an independent trade publisher pursuing similar SEL and diversity themes, though operating at a much larger scale with broader retail distribution.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/cardinalruleprs
• YouTubeyoutube.com/channel/UCz-Txy1Kgq4P_ZztrrQrqzg
• Facebookfacebook.com/cardinalrulepress
• LinkedInlinkedin.com/company/cardinal-rule-press
• Instagraminstagram.com/cardinalrulepress
• TikToktiktok.com/@cardinalkidlit
• Pinterestpinterest.com/cardinalrulepress

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about Cardinal Rule Press