Books About Lost Worlds

The Best Lost Worlds Books for Kids

By the Bookroo Editors

Looking for excellent children's books about lost worlds? This collection brings together Bookroo's highest-rated and most useful picks in one place.

Start with our editorial favorites, then browse recommendations organized by reading stage to find the right book for your reader.

Into the Hidden World
Graphic Nov.
The Shortlist

Our 1 Favorite Books About Lost Worlds

Sale price
$1899
Chapter Book · Ages 5–9 · 2024

Into the Hidden World

By Roan Black, Glass House Graphics (Illustrator) · Book #5 in the Guardians of Horsa series

A hidden world emerges, challenging the Guardians of Horsa.

144 pages· 4,528 words· Est. 1 hour read
4.4/5 Goodreads · 100 ratings
$19.99Save 5%
Summary: In a thrilling twist, the Guardians of Horsa uncover a secret world beyond their known realms. As they navigate this mysterious land of Ice Horses and moving mountains, they must confront new dangers and unexpected allies. Will they adapt to this hidden world or be overwhelmed by its mysteries? The stakes are high as the Guardians face challenges that could change everything they know about Horsa.
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