This book contains:

- Captain Underpants 3: Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies From Outer Space.

- Captain Underpants 4: Captain Underpants and the Perilous Plot of Professor Poopypants.

Are you ready for more adventures starring the superhero who fights for truth, justice and all things underweary? There are three power-mad space aliens and their zombie legions to face, plus a battle with the Giant Man-Eating Dandelion of Doom! And watch out for crazy Professor Poopypants on the rampage, armed with inventions to shrink the world to the size of pre-shrunk pants… Can the Captain save the day?