Mari Northall

In Ben's room, a cherished pop-up book comes alive with Hari the hippo, Ela the fox, and Seren the bat - adventurous pop-up friends who embark on fun exploits when the book opens.

Harry can’t fathom how the world around him operates. After his recycling efforts are dismissed, he embarks upon a quest with his classmates to save the planet… and the narwhals.