The Dana Girls Mystery Stories #3 SECRET OF THE SILVER DOLPHIN Carolyn Keene (author of the Nancy Drew series). Copyright 1965, 1972, Grosset & Dunlap.

In 1972, the Dana Girls series was reissued with slightly revised versions of volumes 17 and 19 through 30.  The revised stories were renumbered with original #25-30 becoming new #1-6, original #20-24 becoming new #7-11, original #19 becoming new #12, and original #17 becoming new #13.  The new set had new cover art.  Four additional new titles, volumes 14 through 17 in this set, were published from 1976 to 1979. 

This book is a picture cover with white spine. "DG" logo endpapers.  This book is in Very Good condition. The cover has some wear. A great addition to a collection of this series!  

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