There's a Cow Under my Bed! By Valerie Sherrard, illustrated by David Jardine

From chapters.ca:
Poor Oscar! His life is plagued with creatures he can't see. A cow licks his head every night, and that's just for starters. He's also had ants in his pants and a frog in his through, but try as he might, he can't seem to find them. Even so, he knows they're there. How? Because his mother tells him so!

Monkey Business by Wallace Edwards

From chapters.ca:
Wallace Edwards, the award-winning author of Alphabeasts, has returned with a brilliant collection of illustrated idioms. From a fish opening a “can of worms” to a tap-dancing octopus putting his “best foot forward,” these familiar sayings are reimagined in hilarious and unexpected ways.