Leopold the See-Through Crumbpicker by James Flora

Have you ever seen a See-Through Crumbpicker? Well, neither had Minerva! But, one day, eating yummy cookies and dropping lots of crumbs because her front teeth were missing, Leopold the See-Through Crumbpicker brushed by her and ate up all the crumbs. He sounded nice, and he felt warm and furry—so even though she couldn't see him, they became fast friends. What could go wrong?