Gillian Anderson's "addictive" (Marie Claire) paranormal thriller series comes to a thrilling conclusion in The Sound of Seas, involving time travel, ghosts, alien technology, and strange spiritual powers...the perfect combination for X-Files fans.After discovering the secrets to the Gaalderkhani tiles—ancient computers that house not just memories, but untold destructive force—Caitlin O'Hara's son gets accidentally thrust back in time. In order to save him she must master the power of the tiles and figure out what the Gaalderkhani's modern relatives are searching and killing for. Can she put the pieces together and bring her son back home again? In the exciting finale to their acclaimed paranormal series that's been praised as "a real page-turner" (New York Live) and for "fans of Douglas Preston and Lincoln Child" (Publishers Weekly), Gillian Anderson and Jeff Rovin pull out all the stops in The Sound of Seas. This is a novel that will not disappoint.