I Think My Cat is a Dragon — Megan Walker

Vincent is one hundred percent certain that his cat is a dragon. After all, why else would she be hoarding all his coins? Determined to prove his cat is a dragon, Vincent compiles a list of tests for his cat to pass or fail that will help him figure out for certain whether or not his cat is a dragon. Imaginative, fun picture book. Written to teach kids the beginning concepts of the scientific method in a humorous way.