First published: Grosset & Dunlap, 1979

The burglar's note (handwriting clues) -- The strange thumbprint (clues in fingerprints) -- Get the fugitive (identification and sleuthing) -- The hidden inheritance (codes) -- Changing shoe prints (plaster casts, or moulages) -- Airport chase (observation) -- The queen's cameo (lost and found) -- The mysterious fortune-teller (palm prints) -- The disappearing fence (testimony) -- The haunted house (sleuthing for a ghost)

In solving a series of mysteries, Nancy Drew and her Detective Club study techniques of criminal investigation involving handwriting, fingerprints, codes, and moulages