Nancy must figure out the connection between a mysterious diary and a suspicious house fire.

Farah's Guide 12th printing has 556 pages, lists 2745 printings of Nancy Drew between 1930 and 1979, including prices on each book and dust jacket. It contains

Kitty and Johnny Blair, two famous actors, adopt baby twins who were mysteriously found in a boat along the river. The cruel Blairs have only adopted the babies