Book cover for The Lost Rainforest #3: Rumi’s Riddle by Eliot Schrefer

The Lost Rainforest #3: Rumi’s Riddle

2020 Released
320 Pages
4-5 Hours
★ 4.05 313 ratings
Hardback Unavailable
Clarion BooksISBN 9780062491213

The action-packed conclusion to the Lost Rainforest series by award-winning and bestselling author Eliot Schrefer delivers one last thrilling adventure as the shadowwalkers are pushed to the limit to protect Caldera. Perfect for fans of Warriors and Spirit Animals.

When the shadowwalkers were victorious in their battle against the Ant Queen, they hoped their work to save Caldera was done. But the rainforest has begun to rumble.

Rumi, a scholarly tree frog who can control the wind, must bring his band of animal friends to face the greatest danger they’ve yet encountered—the giant volcano beneath the jungle itself. While the volcano roars, rumors of a mysterious evil blanket Caldera—the Elemental of Darkness has emerged and is building a legion of followers.

When the shadowwalkers are forced to divide and conquer, Rumi finds himself an unlikely leader and must grapple with his own secrets before he can unlock the full scope of his magical powers. Can Rumi rally the shadowwalkers to save their rainforest home?


  • Series Conclusion: Join the shadowwalkers for one last thrilling quest to save their rainforest home, Caldera, from total destruction.
  • Magical Animals: Meet Rumi, the wind-wielding tree frog, and his band of super-powered friends in a story perfect for fans of Warriors and Spirit Animals.
  • Unlikely Leader: When the team is forced to divide, scholarly Rumi must overcome his own secrets and step up to lead the charge against impossible odds.
  • Good vs. Evil: A mysterious new villain, the Elemental of Darkness, has emerged with a legion of followers, pushing the heroes to their absolute limit.

Eliot Schrefer

Eliot Schrefer is the New York Times bestselling author of many books for kids and teens, including The Darkness Outside Us and its sequel, The Brightness Between Us, as well as Charming Young Man, Endangered, Queer Ducks (and Other Animals): The Natural World of Animal Sexuality, and the picture book Lulu and the Others. His books have twice been named finalists for the National Book Award in Young People’s Literature and have garnered a Printz Honor, a Stonewall Honor, and the Green Earth Book Award. He is on the faculty of the creative writing MFA program at Hamline University and lives with his husband in New York City. Visit him online at eliotschrefer.com.

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