Close to Critical - Softcover

Shrouded in eternal gloom in its own thick atmosphere, Tenebra was a hostile planet ... a place of crushing gravity, 370 degree temperatures, a constantly shifting crust and giant drifting raindrops. Unpromising - yet there was life, intelligent life on Tenebra. For more than 20 years, Earth scientists had studied the natives from an orbiting laboratory ... and even found a way to train and educate a few of them. The the unexpected happened! A young Earth girls and the son of a powerful hot tempered diplomat were marooned in a bathysphere drifting towards the planet['s deadly surface. Only the primitive Tenebrans cou;d save them