The Galaxy Zack Collected Set: A Stellar Four-Book Collection: Hello, Nebulon!; Journey to Juno; The Prehistoric Planet; Monsters in Space! Paperback – October 21, 2014

The Galaxy Zack Collection (Boxed Set): A Stellar Four-Book Boxed Set: Hello, Nebulon!; Journey to Juno; The Prehistoric Planet; Monsters in Space!

The Captain Awesome Collection (Boxed Set): A MI-TEE Boxed Set: Captain Awesome to the Rescue!; Captain Awesome vs. Nacho Cheese Man; Captain Awesome and the New Kid; Captain Awesome Takes a Dive