This is volume 4 in Time Jumpers .

This book has been graded for interest at 6-8 years. This book is part of a reading scheme, meaning that it is a book aimed at children who are learning to read.

There are 96 pages in this book. This is a chapter book. Publishers market early chapter books at readers aged 6-10 years. This book was published 2019 by Branches .

Wendy Mass is the New York Times bestselling author of The Candymakers, Pi in the Sky, Every Soul a Star, Jeremy Fink and the Meaning of Life, and A Mango-Shaped Space. Catherine Bailey is an author whose work has been published in children's magazines, including Hello / Highlights for Children. Her next book, Hypnosis Harry, is forthcoming from Sky Pony Press. Oriol Vidal is an illustrator and storyboard artist based in Barcelona, Spain. He graduated from U. B. Barcelona with a degree in Fine Arts. Including illustrating books and magazines, Oriol has worked in animation where he developed character designs and storyboards for clients in the US, France, UK, South Korea, and Spain.