Night Monkey and Day Monkey don t think they have much in common. But when they spend time in the other's world, they learn a lot, and they also learn to be the best of friends.
- Board book: 8 pages
- Age Range 2+
- Publisher: Egmont (6 Sept. 2018)
- Language: English
- ISBN-10: 1405288760
- ISBN-13: 978-1405288767