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Keeper of the Lost Cities Book #10

About The Book

Twelve-year-old Sophie finally discovers where her secret telepathic ability comes from when she learns she’s actually not human but is from another world that exists side-by-side with ours.​

About The Author

Photograph © Brian Oldham Photography

Shannon Messenger graduated from the USC School of Cinematic Arts, where she learned—among other things—that she liked watching movies much better than making them. She studied art, screenwriting, and television production but realized her real passion was writing for kids and teens. She’s the internationally, New York Times, and USA TODAY bestselling author of the award-winning middle grade series Keeper of the Lost Cities, as well as the Sky Fall young adult series. Her books have been featured on multiple state reading lists, published in numerous countries, and translated into many languages. She lives in Southern California with her family and an embarrassing number of cats. Find her online at ShannonMessenger.com and @SW_Messenger on Instagram, X, and Facebook.

Product Details

  • Publisher: Simon & Schuster Children's UK (November 4, 2025)
  • Length: 800 pages
  • ISBN13: 9781398523821
  • Ages: 9 - 99

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