Tunnel In The Sky

When Rod Walker decides to take the final test for "Deacon" Matson's interplanetary survival course, he knows he will be facing life-or-death situations on an unsettled planet. What he doesn't expect is that something will go wrong with the "Tunnel in the Sky" and he and his fellow students will not be able to return to Terra. Stranded on a hostile planet, Rod and his friends are faced wit the challenge of carving a civilization out of the wilder...