When Nancy and her friends ride deep into the Sawniegunk Forest in search of a flying saucer, they find themselves in the middle of more than one mystery. Wildcats, runaway horses, deadly snakes, and a disappearing Indian keep the sleuths tangled in danger and suspense.

שם הספר
The clue in the crumbling wall - NANCY DREW MYSTERY STORIES #
Secrets can kill - 1 ; THE NANCY DREW FILES #
Deadly intent - 2 ; THE NANCY DREW FILES #
Murder on ice - 3 ; THE NANCY DREW FILES #
Smile and say murder - 4 ; THE NANCY DREW FILES #