Book 4

The Nightmare Machine

by John Whitman

Published 1 August 1997
On the planet Fun World, where computer-generated holograms create both entertainment and terror, Zak and Tash discover that some of the scary illusions may be real and dangerous.

Book 10

Ship of Doom

by John Whitman

Published 11 May 1998

Book 12

The Hunger

by John Whitman

Published 1 October 1998

The Swarm

by John Whitman

Published 12 January 1998

Galaxy of Fear 7: Brain Spiders

by John Whitman

Published 1 December 1997
Uncle Hoole's idea of a vacation is visiting the palace of Jabba the Hutt. Of course, it's a working vacation. Hoole wants to study the B'omarr monks who live in tunnels beneath the palace.