Crazy Dave's brainy niece Patrice, neighborhood daredevil Nathan Timely, and a batch of bold plants discover "Zomboss's Secret Plan for Raising a Zombie Army Underground and Then Swallowing the Entire City of Neighborville Whole!" A rare Boom Boom Mushroom must be found in order to save the humans above ground! Crazy Dave and a strange new animal friend (maybe stranger than Dave!) search for the powerful mushroom, while Zomboss puts his plot for subterranean subterfuge in motion!
This collection includes the main "Boom Boom Mushroom" story arc, along with all bonus stories from Plants vs. Zombies comics #10-#12!