Flying saucer mystery. Carolyn Keene. 1980.

A search for a flying saucer by Nancy Drew and her friends takes them deep into the Shawniegunk Forest, where they find themselves involved in more than one mystery. Wildcats, runaway horses, deadly snakes, a disappearing Indian and the lovable old man in the forest trying to find treasure hidden by his father, keep the young detectives embroiled in danger and suspense.

The spacecraft finally arrives during a terrifying windstorm. Nancy and Ned embark on an unforgettable journey before they return to solve two mysteries.