Traveling at night, Zak and Erro follow a figure into a cave and discover a number of other escapees are hiding in an abandoned diamond mine--but one of their fellows is actually a traitor who has betrayed the hiding place to the guards, and in the darkness only Erro's superior nose can help the boys find their way out of this trap.
year: 2020
call number/section: 1000
subjects: prisons, fiction, escapes, extraterrestrial beings, extrasolar planets, planets, caves, adventure fiction, science fiction, action and adventure fiction