It's time for another Rabbit and Bear adventure! SPLASH! A Mysterious Thing lands in Rabbit and Bear's peaceful summer lake. Is it exciting or terrifying? Is it a tiny, fluffy owl or a huge, hungry monster? And has Rabbit finally met a creature with worse habits than himself? Rabbit's sure he can solve this mystery. But when he accidentally turns the Best Day Ever into the Worst Day Ever, he needs Bear's help... Rabbit and Bear lead readers on a fantastic adventure in this tale of friendship, acceptance, and what you can do with blueberry poop.