Sarah Beth Durst


ISBN: 9780358065029


a middle grade novel
by Sarah Beth Durst
available now from Houghton Mifflin Harcourt / Clarion Books

A magical adventure about change, expectation, and accepting all for who they truly are -- regardless of shape or size.

Zoe named the kitten Pipsqueak, because she was so tiny, and promised to always take care of her. Then the kitten grew. And grew. Now she's bigger than a horse -- and talking as well!

Fleeing into the woods to escape the curious eyes of the world, Zoe and her best friend, Harrison, must keep the giant cat hidden as they desperately search for a way to return her to normal size. If they don't succeed, Pipsqueak may never be safe again. But why did she grow so large in the first place? And what if trying to change her back leads to even greater danger?

Read the first chapter

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An Amazon Best Book of June 2020

"Durst masterfully interjects humor into a suspense-filled plot that twists and thickens as the group reaches its destination. A surprising but satisfying resolution brings this charming fantasy to a close." -- Booklist (Starred Review)

"Come for the horse-sized kitten, but stay for mystery, friendship, adventure and even more exceptional animals -- Catalyst is a joyful read that's full of surprises!" -- Emily Jenkins, New York Times bestselling co-author of the Upside-Down Magic series

Read additional reviews.

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Download hi-res cover art by Brandon Dorman.

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Also Available as an Audiobook:


Audio Edition

written by Sarah Beth Durst
narrated by Cassandra Morris
available now from Recorded Books and Audible

Coming Soon: Russian Translation from Eksmo

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