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  • Published: 11 June 2025
  • ISBN: 9780593754009
  • Imprint: Penguin Workshop
  • Format: Hardback
  • Pages: 256
  • RRP: $35.00

Horse Camp

A Horse Girl Mystery




YEE-HAW! Willa is back in this standalone sequel to Horse Girl. This time, she tackles summer camp, new and old frenemies, and worst yet: a horse that's mysteriously gone missing.

NATIONAL BESTSELLER • YEE-HAW! Willa is back in this standalone sequel to Horse Girl. This time, she tackles summer camp, new and old frenemies, and worst yet: a horse that's mysteriously gone missing.

Seventh-grader Willa is head-over-hooves when she finds a secret note inviting her to Juniper Ranch—a sleepaway camp that’s all about horses. The camp promises trail rides, horseback swims, and “ghorst” stories, plus tons of new horse-girl and (gasp!) horse-boy friends. Even better? Willa’s pals from Oakwood Riding Academy—including her sworn frenemy, Amara—are all coming along for the fun.

But when Willa makes a dangerous mistake and a beloved steed goes missing, everyone at Juniper Ranch is suddenly a suspect. Wills isn’t sure who to trust (including herself) as she tries to figure out who’s behind the mysterious horsenapping. And where they might be lurking. And just how she’ll save her “forever herd” before a frightening storm rolls into camp. Gulp!

  • Published: 11 June 2025
  • ISBN: 9780593754009
  • Imprint: Penguin Workshop
  • Format: Hardback
  • Pages: 256
  • RRP: $35.00

About the authors

Carrie Seim

Carrie Seim is the author of acclaimed novel Horse Girl (now translated into four languages) and best-selling adventure series The Flying Flamingo Sisters (hailed by The New York Times as a Best Audiobook for Road Trips with Kids). She grew up in Nebraska and has served as a staff writer for Nickelodeon and YouTube. She’s also contributed to the New York Times, the Atlantic, Cosmopolitan, the New York Post, McSweeney’s, and Architectural Digest. You can hear her voice in audiobooks, animated series, and commercials—where she's played everything from an evil robot to a sassy pickle. Learn more at carriseim.com.

Praise for Horse Camp

Praise for Horse Girl:
A Bustle Most Anticipated Book of 2021
A Los Angeles Magazine Family Pick 
A New York Post Buzz Book 
A Romper Best Horse Book for Children
A Mighty Girl Book of the Year 
A Horse Network: HN Reads Book Club Pick

"A fun story of fitting in, [with a] relatable preteen voice and storyline." —School Library Journal

"Enjoyable, relatable, humorous, fact-filled and all the potential to become a modern-day horsey classic!" —Horse Nation

“A book of exceptional wit and heart, a rare and dangerous combination. Seim clears every jump with grace.”—Matthew Aldrich, screenwriter of Disney/Pixar’s Coco

“Perfectly captures what it means to be a true ‘HORSE GIRL’ circa-now—and always.”—Sarah Maslin Nir, New York Times staff reporter, and author of Horse Crazy: The Story of a Woman and a World in Love with an Animal

“A heartwarming tale of ‘finding your forever herd’ that will connect with kids and families of all kinds.”—Dana Gould, writer/coexecutive producer of The Simpsons

Horse Girl really captures a horse lover’s imagination with its spirited story and girl talk. What a great idea and a fun read.”—Soledad O’Brien, Peabody Award–winning broadcast journalist, author, and executive producer

Praise for Horse Girl:
A Bustle Most Anticipated Book of 2021
A Los Angeles Magazine Family Pick 
A New York Post Buzz Book 
A Romper Best Horse Book for Children
A Mighty Girl Book of the Year 
A Horse Network: HN Reads Book Club Pick

"A fun story of fitting in, [with a] relatable preteen voice and storyline." —School Library Journal

"Enjoyable, relatable, humorous, fact-filled and all the potential to become a modern-day horsey classic!" —Horse Nation

“A book of exceptional wit and heart, a rare and dangerous combination. Seim clears every jump with grace.”—Matthew Aldrich, screenwriter of Disney/Pixar’s Coco

“Perfectly captures what it means to be a true ‘HORSE GIRL’ circa-now—and always.”—Sarah Maslin Nir, New York Times staff reporter, and author of Horse Crazy: The Story of a Woman and a World in Love with an Animal

“A heartwarming tale of ‘finding your forever herd’ that will connect with kids and families of all kinds.”—Dana Gould, writer/coexecutive producer of The Simpsons

Horse Girl really captures a horse lover’s imagination with its spirited story and girl talk. What a great idea and a fun read.”—Soledad O’Brien, Peabody Award–winning broadcast journalist, author, and executive producer