The Tripods' rule is complete: the classic alien trilogy and its prequel are now available in a collectible paperback boxed set. In Will's world, everything is controlled by the Tripods--huge, three-legged machines that descended upon Earth long ago. Most people unquestioningly accept the Tripods' power, but Will is not most people. Journey with him in this collection of all four books in John Christopher's beloved classic sci-fi dystopian series, now available as a paperback boxed set. Includes: The White MountainsThe City of Gold and LeadThe Pool of FireWhen the Tripods Came