Nancy attempts to solve the mystery of the strange tapping sounds in the home of a retired actress.

Nancy races against time to unravel the clues in a dead man's letters. If she succeeds, Philip March and his little granddaughter can be saved from financial ruin. It takes courage and ingenuity for the alert young detective to discover the significance of the skeleton with the upraised arm and to find the source of the spooky sounds of music in the old attic.

"Nancy Drew, forget the ghost hunt!" a male voice rasps on the telephone. Despite the mysterious warning, the pretty teen-age detective and a group of friends start out on a ghost-hunting expedition to investigate five places reputed to be haunted. Danger strikes at once when Nancy tries to overtake the canoe that paddles itself on Lake Devanee. Thrills and chills mount as the ghost hunters pursue a phantom horse and ghost rider racing across the...

"Join detective Judy Drewdy to create a way-official detective kit, solve six mini-mysteries, and sharpen real-and-actual sleuth skills. Chock-full of advice for the would-be sleuth and bursting with activities, here is an uber RARE diversion for fans of Judy and for anyone who loves a good mystery. "The Great Class Heist" is just one of the whodunits tackled by Judy Drewdy and agents Dills Pickle (aka Frank), Spuds Houdini (Rocky), and James Madagascar...

Asked to locate a stolen necklace of unusual value, Nancy soon discovers that strange and dangerous people are responsible for the theft.

When a gang that uses parties as a cover for robberies victimizes a masquerade party Nancy is attending, the teen-age detective switches identity with her girl friend to solve the case.

The blatant acts of a lady swindler posing as Nancy Drew arouse the suspicion of friends and local police against the real Nancy.

The disappearance of a seventeen-year-old girl leads Nancy into an intriguing mystery involving a castlelike building with a drawbridge.

Nancy Drew solves her first mystery when the accidental rescue of a little girl who lives with her two great-aunts leads to an adventurous search for a missing will.

Teenage detective Nancy Drew finds herself in danger when she sets out to track a jewel thief.