Errol by Hannah Shaw

From chapters.ca:
When something supremely silly is needed for storytime: choose Erroll. Or as Erroll himself might say: "Pick me! Pick me! Pick me!" And then he'd turn a somersault, swing from the drapes, and get peanut butter all over everything. For kids who like high- energy shenanigans, and for grown- ups who'd like to almost prove the point that a neat- and- tidy suburban home may not be the best place for a very wild critter, this fun and funny story of a boy who finds a talking squirrel in his snack package will be just the ticket.