Kipton and The Caves of Mars. An expedition to study plant and animal life forms discovered in a cave forces decisions by the expedition about whether it will pursue a scientific or intuitive approach to attempt to communicate with the life forms, and the reader is nudged by proponents of both methods to take a side. When a member of the expe-dition is killed, Kipton is once again on familiar footing investigating the murder. In the course of her activities she makes contact with the martian life forms...and gets help from them.
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