"Media tie-in" -- Back cover.

"This volume collects the Dark Horse comic book series Plants vs. Zombies #4-12, including all main and bonus stories found in those comics-- also collected as Plants vs. Zombies: Grown sweet home (comics #4-6), Plants vs. Zombies: Petal to the metal (comics #7-9), and Plants vs. Zombies: Boom boom mushroom (comics #10-12)-- along with the short story 'The lady in red' from Dark Horse's Free Comic Book Day 2016 comic." -- title page verso