Return to Earth : Guardian War #4; A Gateway Adventure book. Return to Earth: Guardian War #4; A Gateway Adventure. Brad Stucki | Sold : Amazon Australia Services, Inc. Kindle Edition $4.42$4.42. Includes Tax, if Thanks to Ed Jolley for the scan. Car Wars Adventure Gamebook #4: Dueltrack - from Dragon #121, page 87 1 on 1 Adventure Gamebooks #1 Druga Character Sheet (back) 1 on 1 Adventure Gamebooks #5 Renango and the Guardian Character Sheet Middle-earth Quest: Night of the Nazg