King & Kayla are back on the case in this laugh-out-loud mystery from the Theodor Seuss Geisel Honor Award-winning series.

Kayla made peanut butter treats for Thor, Jillian's new puppy. But now the treats are missing, and King is under suspicion.

Analytical Kayla notices that King's breath doesn't smell like peanut butter, so he didn't eat them. Sensitive King detects the presence of an intruder in their house. Is it Jillian's little brother Adam? Or someone else? Who took the missing dog treats?

With simple, straightforward language and great verbal and visual humor, the King & Kayla series is perfect for newly independent readers. King and Kayla model excellent problem-solving skills, including working as a team, gathering facts, making lists, and evaluating evidence.

Kayla made peanut butter treats for Jillian's new puppy Thor. But now the treats are missing. How will Kayla and her dog, King, solve the mystery? Full color.