Matthew Costello isthe author of a number of successful novels, includingVacation(2011),Home (2014)andBeneath Still Waters(1989), which was adapted by Lionsgate as a major motion picture. He has written for The Disney Channel, BBC, SyFy and has also designed dozens of bestselling games including the critically acclaimedThe 7th Guest, Doom 3, RageandPirates of the Caribbean.