Thank you, Penguinaut. Thank you for a great 8th year of One Book Colorado

A Free Book for Every Four-Year Old in Colorado!

This year, One Book Colorado gave away 75,000 copies of Penguinaut!, by Marcie Colleen and illustrated by Emma Yarlett. Every year since 2011, One Book Colorado has given away a copy of the same book to every 4-year-old in the state, in English and Spanish through public and military libraries and Denver Preschool Programs.

Thanks to our sponsors and partners, and Colorado libraries, for making this year’s One Book Colorado a success!


On April 8, Governor Jared Polis and Denver Mayor Michael Hancock launched One Book Colorado 2019 at the Denver Public Library by revealing the book that will be given away! See the fun had by all as Penguinaut was launched in the homes–and hearts–of 4-year-olds across Colorado.

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