A group of nonhuman students and their human teacher on a field trip become trapped by a cave-in, and the students must devise a plan for escape before their teacher's oxygen supply is depleted.
Source · ISFDB CC BY 4.0
Placement
- Mesklin
- contained in Astounding: John W. Campbell Memorial Anthologyanthology
- contained in Heavy Planet: The Classic Mesklin Storiescollection
- contained in Mission of Gravity (with Lecture Demonstration)collection
- contained in Variations on a Theme by Sir Isaac Newtoncollection