Tunnel in the Sky
Heinlein
Hardcover
(Atheneum, March 30, 1988)
A high school senior goes through the gate to an unknown planet for a two-to-ten day final exam in Advanced Survival, and realizes, after a period of fighting the elements and wildlife, that something has gone wrong with the gate and what was a brief survival exam is an endless struggle for life.A high school senior goes through the gate to an unknown planet for a two-to-ten day final exam in Advanced Survival, but soon realizes that something is wrong with the gate and what was an exam is now a struggle for life