Elephant & Piggie | Hachette Book Group

Happy Pal-a-Palooza!

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Join Elephant Gerald and Piggie and friends for a Pal-a-Palooza party of love and friendship in this one-of-a-kind color and activity book from Mo Willems Workshop! Best friends Elephant and Piggie host an action-packed activity book as they prepare to celebrate pals at… Read More
We Are in an ACT-ivity Book!

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Mo Willems, #1 New York Times bestselling, award-winning author-illustrator, invites kids to take center stage in this one-of-a-kind theatrical event! Get your backstage pass to the world premiere performance of THE DAY ELEPHANT & PIGGIE MET! Readers discover how to be a… Read More

Mo Willems Workshop

About the Author

Hidden Pigeon Company (“HPC”) is a kids and family content company expanding the reach and impact of author/illustrator Mo Willems’ best-selling catalog of children’s books and intellectual property across all entertainment platforms, including television, film, digital, gaming, live events, location-based experiences, publishing, consumer products and more.

KNOCK KNOCK KIDS is a whimsical, rambunctious line of paper goods and stuff for children (AKA young humans who haven’t lost any of the pixie dust we’re all born with). We make fun things that help kids build confidence, express their feelings, and unleash their creativity. Not to mention laugh themselves silly. Like really, really silly. We believe kids are smarter, savvier, and wiser than adults often give them credit for. Our stuff is here to support young’uns on their own super important life journeys.

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