The Boxcar Children are hiking up a mountain when a rockslide reveals a cave with a big secret! Adapted from Gertrude Chandler Warner's story of the same name, this early reader allows children to start reading with a Boxcar Children classic.
| ISBN: | 9780807552896 |
| Publication date: | 15th September 2021 |
| Author: | Gertrude Chandler Warner |
| Illustrator: | Liz Brizzi |
| Publisher: | Random House Books for Young Readers an imprint of Random House Children's Books |
| Format: | Paperback |
| Pagination: | 48 pages |
| Series: | The Boxcar Children Early Readers |