Jackson Jones, Book 2 by Jennifer L. Kelly

You never know where your story will take you.

All Jackson had to do was clean the pool. One simple task. It would have been simple, anyway, if that freak storm hadn’t come from nowhere and carried him away. Now Jackson is trapped in the branches of a massive tree, and he can’t find a way out. While he wanders, he meets a flesh-eating hound named Muffin, a hen who wears too much makeup, a million angry squirrels, and a Troll with nose hair down to there. Before Jackson can go home, he’ll have to discover the great task the Author has planned for him and learn what it really means to put down roots.