The triple hoax /
by Carolyn Keene ; illustrated by Ruth Sanderson.
- New York : Wanderer Books, c1979.
- 184 p. : ill. ; 19 cm.
- Nancy Drew mystery stories ; 57 .
Nancy Drew and friends Bess and George track a group of swindlers and kidnappers from New York to Mexico City to Los Angeles where they finally solve the mystery of the Triple Hoax.