Splat the Cat: What Was That? by Rob Scotton (2013)
It’s Halloween, and Splat’s friend Spike wants to trick-or-treat at the scariest house on the block. Splat doesn’t want to—what if it’s haunted? But when Splat’s pet mouse, Seymour, runs through the house’s spooky doors, our favorite kooky cat has no choice but to rescue him.