Calvin Waffle doesn't believe in bad ideasDanny knows his friend Calvin has crazy ideas, so he's not surprised when Calvin suggests they start a Rent-a-Pet business. After all, Calvin's Aunt Ruth want
Danny Cohen and his brainiac sidekick Calvin Waffle are back with a brand-new experiment! Something is amiss in Danny and Calvin's fourth-grade class when their loud, rule-enforcing teacher Mrs. Cakel
