Nancy Drew's latest involvement in a mystery begins in her home town and concerns a synthetic sapphire with a spider embedded in it, and the strange disappearance of Ned Nickerson.

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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 #