David Adler
Calvin Waffle doesn't believe in bad ideas
Danny 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 wants the boys to watch her dog while she's away, and what better way to get the miniature Collie off their hands than loaning him to a kid in the neighborhood for a few days?
But in order to rent a pet, you need a renter.
...Here are two mean and nasty words: Mrs. Cakel
Something has gone wrong in Danny and Calvin's fourth-grade classroom—out of the blue, Mrs. Cakel has transformed from a rampant rule-enforcer to a quiet excuse-accepter. Has she been replaced with an alien? Has she undergone a top-secret personality makeover?
Danny and Calvin decide there's only one way to find out what's really going on—spy. But spying soon leads to
...Here's a fact: My new friend Calvin Waffle is 100% Weird
Danny Cohen and Calvin Waffle are two very different kids. Danny likes playing baseball; Calvin enjoys strange experiments. Danny follows the rules at school; Calvin tries to drive his teacher crazy.
Danny and Calvin decide to team up for the big jelly bean experiment. Will it lead to trouble? Maybe. Will they have fun trying? You can count on it.