Japanese-American chef Mike and Black daycare teacher Benson begin reevaluating their stale relationship after Mike departs for Japan to visit his dying father and Benson is suddenly stuck with his visiting mother-in-law, who becomes an unconventional roommate.

Andy and Terry are once again inviting readers to come hang out with them in their astonishing 39-story treehouse (it used to be 13 stories, then 26 stories, but they keep expanding). And this year they will have even more time to jump on the world's highest trampoline, toast marshmallows in an active volcano, swim in the chocolate waterfall, pet baby dinosaurs, and go head-to-trunk with the Trunkinator, since Terry has created the greatest invention...