Averted in that, logically, not all planets are in fact Earth-like.All Planets Are Earth-Like: Played with.

Alliterative Name: Helen's unit is called 'Walker's Werewolves'.nor did it take a degree in astrography to know that this constellation had never been seen from Terra. The six stars were as bright and unmistakable as the seven stars of Earth’s Big Dipper. Alien Sky: Rod's theory that he was on Earth All Along is dashed when he finally sees the sky on a clear night and the stars are much different than they would be from earth.įramed by the ledge above him and by tree tops across the stream was a pattern of six stars, a lopsided pentagon with a star in its center.She does, marrying Rod's elderly instructor from college. Age-Gap Romance: Because there's such a shortage of potential husbands, Helen doesn't care how old hers is as long as she can find one.His research also led to Year Outside, Hour Inside devices. He was immediately arrested for waving a firearm in a botanical garden. On his first successful test, he saw a jungle through the portal and, assuming he'd succeeded in reaching prehistoric times, armed himself and jumped through. Ramsbotham, inventor of the gates, was actually trying to build a time machine rather than a teleportation device. She abandons the armor once her gender is revealed and she no longer needs to hide it. She wasn't sure that he would have teamed with her if he knew she was a girl, and as a whole, she was right. 24-Hour Armor: Jack wears a heavy and hot armored vest at all times after meeting Rod, one that disguises her gender.Realizing that something has gone wrong, they decide they need to find other stranded students and band together to survive, possibly for the rest of their lives, on the unfamiliar world. And shortly after, Jack explains that their recall never came. After the hostile meeting and an awkward meal, they agree to team up together. Rod manages to survive as a savage, and assumes he missed the recall while out of his head with a fever, until he gets the jump on another student, Jack.

Rod arrives on the planet and spends a few rough days wandering around, uncertain of what may be lurking around him, when he's jumped by another student and stripped of all his gear except for one knife concealed in a bandage. He prepares himself by following the advice of his famous survival teacher and his tough military sister, and takes only knives and light gear for the test (on the grounds that a gun would make him overconfident). The final exam consists of being teleported to an alien world to survive there for up to a week and a half, a dangerous test but one expected to be overcome by the students. Rod Walker is a high school student taking an elective survival course, a requirement for anybody with ambitions in exploring other worlds.

Tunnel in the Sky is a 1955 juvenile Sci Fi novel written by Robert A.

Tunnel in the sky