Hot Chocolate Underpants(TM) to the Rescue (hardcover)

Caspian tries to catch a frisbee. He misses. The frisbee gets stuck in a tree. Caspian isn't good at climbing trees. He doesn't have to be. He puts on his Hot Chocolate Underpants. He pours cocoa on himself. He grabs the mop for steering. When he arrives at the tree, Grandpa is still there, smiling. The frisbee isn't the only thing stuck in the tree. Caspian sees a kitten and decides to rescue it. Easier said than done. Follow Caspian on his latest adventure.