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About The Book

The fourth book in the international bestselling Keeper of the Lost Cities series. Perfect for readers aged 9+ and fans of Harry Potter, Rick Riordan and Amari and the Night Brothers.

Sophie Foster is on the run – but at least she’s not alone.

Her closest friends from the Lost Cities have gone with her to join the Black Swan. They still have doubts about the shadowy organization, but the only way to find answers is to start working with them. And as they settle into their new lives, they uncover secrets bigger than anything they’d imagined.

But their enemies are far from done, and unleash a terrifying plague that threatens the safety of an entire species. Sophie and her friends fight with everything they have – with new allies joining them – but every choice has consequences. And trusting the wrong person could prove deadly.

In this game-changing fourth book in the Keeper of the Lost Cities series, Sophie must question everything to find a truth that will either save her world – or shatter it.

Don’t miss the brand-new book in the series, Stellarlune, out now!
Books in the Keeper of the Lost Cities series:Keeper of the Lost CitiesExileEverblazeNeverseenLodestarNightfallFlashbackLegacy
Stellarlune
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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’s studied art, screenwriting, and film production, but she realized her real passion was writing stories for children. She’s the 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 series for young adults. Her books have been featured on multiple state reading lists, published in numerous countries, and translated into many different languages. She lives in Southern California with her family—and an embarrassing number of cats. Find her online at ShannonMessenger.com.

Product Details

  • Publisher: Simon & Schuster Children's UK (May 1, 2020)
  • Length: 688 pages
  • ISBN13: 9781471189449
  • Ages: 8 - 99

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