Nancy Drew Case Files #36: Over the Edge (1989)
Nancy, Bess, and George are once again heading off on vacation. This time, it's Club High Adventure, some random ranch type place where they have a bunch of random activities. Marva, the woman who owns the place, asked Nancy for help when she began getting a series of suspicious letters and things start going wrong. Literally the day they get there, they witness a hang-gliding accident. Lisa, the guest, comes down hard and smacks her head on the ground. Gil, her instructor, checks her out and claims that she's fine but still calls for an ambulance, though he does take a few minutes to flirt with her. Nancy finds that especially weird when she discovers that he's engaged to Marva. Gil reveals that the hang-glider had a bent rod that looks like someone did it deliberately. Nancy starts her usual investigating and runs into “Uncle Al” who works for the club. He is super gruff like a Scooby Doo villain and tells her to basically mind her own business. She also ove