Secret military base under Antarctica: check. Tough scientist-mom with kid in tow: check. Rough-and -ready ex-military Aussie cave diver: check. Red-shirt military escorts: check. Secret tunnels, monsters, lost civilizations, and a terrorist thrown in for good measure: check check check check. Lots of C-4, (because the 90s!). Check. I wanted a fun diversion, and this was both familiar and suspenseful enough for a satisfying one-time read.