Jungle King by Jack Porter

Adapt or Die A cave-diving expedition gone wrong. Oh so wrong. But there just might be a few perks... When a hidden portal opens into a prehistoric world, it's up to me, Professor Jake Montblanc, to save my all-girl college class from extinction. With danger lurking in the jungle and survival on the line, what am I supposed to do with twelve horny college babes? Protect them. Build them shelter. Make them as happy as possible.