ISBN-13: 9781533667434 / Angielski / Miękka / 2016 / 130 str.
Jumbo Jonah is a fantasy tale of two twelve-year-old boys caught up in an adventure into the world of dinosaurs. They drop into Jonah's mysterious world in a balloon and become involved in the lives of the unusual animals. Stunned that they can communicate with Jonah, the boys become less afraid as the young jovial Apatosaurus befriends and convinces them to join with his family. They help the boys to overcome the dangers of the strange world as they pursue their mission to return home.