Hubbard, L. Ron; Wolverton, Dave. Los Angeles: Bridge Publications (1999). First Edition. Quarter cloth. xii, 300 pp. A clean, attractive copy. “Selected to transport the first prototype time machine to the Experimental Weapons Battalion in Denver, Colorado, driver Everett Dumphee gets sidetracked when the machine activates and sends him on the ultimate off-road adventure in early and prehistoric America.” Book: Fine. Dust Jacket: Fine.