Carthage had maintained itself for seven thousand years as a bastion of life against the threatening ice."" But life was lived under the ""ultimate in social control,"" a monitor--see Big Brother--1984. The ice age setting is considerably thawed by a number of warmed over, under-well-done elements in an escape-chase plot as old as Natty Bumpo. A group of stalwart adventurers seek to flee the city and the system. Guess what? They do.