The adventures of Brooklyn boy Hank Wolowitz and his invisiblebut not imaginaryfriend continue with The Whoopie Pie War, the third book in the Invisible Inkling series by Emily Jenkins.

A truck selling ice-cream whoopie pies sets up right in front of the ice-cream shop belonging to Hanks family, and its taking away all the shops business. His dad is going crazy. His mom is furious.

Hank and Inkling, his invisible bandapat, arent going to take it. The Whoopie Pie War is on! Theyll do whatever it takes to beat the whoopie pie truckunicorn costumes, extreme kindness, an army of supervillains.
The illustrated chapter books mix of silliness, fantasy, strong sense of place, and a realistic family make it a great pick for middle-grade readers.