This is volume 38 in Magic Tree House Fact Tracker .

This book has been graded for interest at 8-12 years.

There are 128 pages in this book. This is a chapter book. Publishers market early chapter books at readers aged 6-10 years. This book was published 2018 by Random House Books for Young Readers .

Mary Pope Osborne is the author of over forty books for young people. She was the president of the Author's Guild, the leading organization for professional writers in the US, for two years and has won many awards for her books. She lives in New York with her husband, Will, and their dog, Bailey, who sleeps on top of Mary's desk every day while she writes. Isidre Mones is a Spanish artist best known for his comic book work. In addition to illustrating Cloudy with a Chance of Meatballs 3 , he has also illustrated several of Cynthia Rylant's Henry and Mudge stories.