Stronger Than Steel: Spider Silk DNA and the Quest for Better Bulletproof Vests, Sutures, and Parachute Rope, a Houghton Mifflin Scientists in the Field Book was selected as a School Library Guild Book, resulting in a sale of 4,300 books before its release date of February 2013.

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Teachers, there is an excellent classroom activity guide available: click here!


"Move over, Spider-Man. . . . Abundant photographs and a lively narrative make the topic accessible and almost lighthearted, and Heos lays groundwork for readers with a basic introduction to DNA and gene theory."
- Publishers Weekly, starred review

"A complex, controversial topic, positively presented."
- School Library Journal

"Clear focus, careful explanations with occasional repetition of denser information, and a wealth of color photographs make this title inviting and accessible. . . and the kissin'-cute goats should entice quite a few readers to explore this project further."
- Bulletin of the Center for Children's Books