This is book 1 in Funny Bone Books First Chapters-The Jupiter Twins .

This book has been graded for interest at 5-8 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 32 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 Red Chair Press .