Sixth-Grade Alien; I Shrank My Teacher; Missing—One Brain!; Lunch Swap Disaster; Zombies of the Science Fair; Class Pet Catastrophe; Too Many Aliens; Snatched from Earth; There's an Alien in My Backpack; The Revolt of the Miniature Mutants; etc. | Sixth-Grade Alien Complete Cosmic Collection (Boxed Set) by Bruce Coville, Paperback | Indigo Chapters