The Last Kids on Earth and the Destructor's Lair

The Last Kids on Earth and the Cosmic Beyond

The Last Kids on Earth and the Monster Dimension

The Last Kids on Earth and the Midnight Blade

The Last Kids on Earth and the Skeleton Road

The Last Kids on Earth: Quint and Dirk's Hero Quest

The Last Kids on Earth: June's Wild Flight

The Last Kids on Earth: The Ultra Monster Box (books 4, 5, 5.5)

The Last Kids on Earth: The Monster Box (books 1-3): The Last Kids on Earth; The Last Kids on Earth and the Zombie Parade; The Last Kids on Earth and the Nightmare King

The Last Kids on Earth and the Forbidden Fortress

The Last Kids on Earth and the Doomsday Race

The Last Kids on Earth and the Cosmic Beyond

The Last Kids on Earth and the Zombie Parade

The Last Kids on Earth and the Doomsday Race

The Last Kids on Earth: Thrilling Tales from the Tree House

The Last Kids on Earth: Quint and Dirk's Hero Quest