A hidden room, a mischievous cat, and a secret world. A page-turning, entry-level sci-fi adventure with no bad language for children ages 6-10. The first chapter book series from picture book author Edward Jazz. Book #2 out soon!

Note to parents and teachers: Please read our "No Bad Language" policy below.

When ten-year-old Katie moves into her new mountain-side home, she becomes mystified by the strange noises in her closet and a cat that keeps causing trouble.

Her quest to solve the riddle leads to a hidden door and a room full of secrets.

Who left her the key that gives her access to these ancient secrets? Who is the mysterious figure in the black hoodie? And what do they want with Katie?

Katie and her new friend, Zelda, soon discover that they have access to a secret world beyond her closet. Here, they make both friends and enemies, and uncover startling connections between the past and present.

A modern children's classic and a great introduction to sci-fi.

The adventure starts here!

"No Bad Language" Policy: All editions of this series were written with the intention to have "No Bad Language." This series will always be free of swear words and disrespectful speech.