Houghton Mifflin Harcourt / Clarion Books
Houghton Mifflin Harcourt / Clarion Books offers 1 product on RevWix across Books & Media, with an average ethics score of 68/10 and recurring certifications including FSC Certified, Rainforest Alliance Certified (paper).

Standards & certifications
Verified credentials appearing across Houghton Mifflin Harcourt / Clarion Books's product range.
Ethics breakdown
Average scores across our scoring pillars.
- Animal Welfare90/10
- Sourcing75/10
- Environment72/10
- Transparency68/10
- Labor65/10
Categories covered
Where Houghton Mifflin Harcourt / Clarion Books shows up across our directory.
- Books & Media1
What reviewers highlight
Strengths mentioned most often across Houghton Mifflin Harcourt / Clarion Books's products.
- ✓FSC Mix + Rainforest Alliance Certified paper
- ✓Non-toxic vegetable-based inks (ASTM D4236 certified)
- ✓Teaches soccer vocabulary and teamwork in an accessible format
- ✓No plastic shrink wrap or single-use packaging
Sustainability commitments
"FSC Mix certification ensures fiber from responsibly managed forests. No plastic wrap or single-use polybags. Printed in USA (Hagerstown, MD) reducing transport emissions. HarperCollins aims for 100% FSC paper across all titles by 2027; this title already meets that standard."
Products from Houghton Mifflin Harcourt / Clarion Books

Houghton Mifflin Harcourt / Clarion Books
Curious George Plays Soccer: A Playful Introduction to Soccer
$This is a hardcover picture book tying Curious George's soccer adventure to themes of teamwork and fair play, best for preschoolers and kindergarteners aged 3–6 learning about sportsmanship; published by HarperCollins (which now owns HMH children's) using FSC-certified paper. The ethical sustainable kids' picture book introduces basic soccer vocabulary through a beloved character, with the publisher committing to 100% FSC paper by 2027.
How to read Houghton Mifflin Harcourt / Clarion Books's ethics scores
Each Houghton Mifflin Harcourt / Clarion Books product on this page carries a 0–100 score built from four checkable inputs: active third-party certifications, disclosed ingredients or materials, published supply-chain information, and the brand's watchdog record. Nothing here is based on Houghton Mifflin Harcourt / Clarion Books's own marketing language.
The spread matters as much as the top score. If Houghton Mifflin Harcourt / Clarion Books's highest and lowest products sit far apart, verification is being applied to some lines and not others — common when a company certifies a flagship range and leaves the rest undocumented. A narrow spread, even at a moderate average, usually signals a consistent policy.
Scores can move without any editorial change, because certification status is re-checked as pages refresh. A lapsed certificate, a new audit or a recall notice will all show up in the product's certification and notes sections.
Questions worth asking before buying Houghton Mifflin Harcourt / Clarion Books
Start with ownership: a parent company's testing or sourcing policy can change what a claim on the packaging actually covers. Then check scope — a certification often applies to one fibre, facility or ingredient rather than the whole product.
Finally, compare within the category rather than against Houghton Mifflin Harcourt / Clarion Books's own range. A mid-scoring product can still be the strongest verified option at its price, and a high-scoring one can be beaten by a cheaper certified alternative.
What each score input covers
| Input | What we check | Why it matters |
|---|---|---|
| Certifications | Active listings in public registers, with scope and expiry | Only externally audited claims can be revoked |
| Ingredients & materials | Full disclosure, hazard flags, recycled or organic content | Comparable without trusting brand narrative |
| Transparency | Named suppliers, factories or audit summaries | Shows whether claims survive scrutiny |
| Record | Recalls, regulator rulings and greenwashing findings | Best short-term signal of quality control |
Buying Houghton Mifflin Harcourt / Clarion Books with confidence
- Verify the mark, not the adjectiveSearch the certifier's register for the exact product line.
- Check the parent companyOwnership changes what cruelty-free or organic claims cover.
- Compare in-categoryThe same score means different things across categories.
- Read open notes firstAn unresolved recall outweighs a few score points.
Frequently asked
Is Houghton Mifflin Harcourt / Clarion Books an ethical brand?+
Houghton Mifflin Harcourt / Clarion Books's standing here is the average of its scored products, built only from verifiable inputs: active certifications, disclosed ingredients or materials, published supply-chain data and its recall or regulator record. Where a claim cannot be checked in a public register, it earns nothing.
Is Houghton Mifflin Harcourt / Clarion Books certified by third parties?+
Any certification we could confirm appears on the individual product cards above. Marks shown are matched to the certifier's own register; self-declared logos and internal awards are not counted.
Why do Houghton Mifflin Harcourt / Clarion Books products have different scores?+
Scores are per product, not per brand. Differences usually come from certification scope, ingredient or material disclosure, and packaging — a certified flagship can sit far above an undocumented line from the same company.
Are there better alternatives to Houghton Mifflin Harcourt / Clarion Books?+
Compare within the category rather than the brand: category rankings list the highest-scoring verified options at each price level, so you can see whether a cheaper certified alternative beats the Houghton Mifflin Harcourt / Clarion Books product you were considering.