Click on a thumbnail to go to Google Books.
Trixie Belden and the Mystery at Bob-White Cave (original 1966; edition 1977)
Trixie Belden and the Mystery at Bob-White Cave by Kathryn Kenny (1966)
References to this work on external resources.
Wikipedia in English
While vacationing at her uncle's lodge in the Ozark Mountains, Trixie and the Bob-Whites explore caves looking for the ghost cave fish, a rare species wanted by a national science magazine.
(summary from another edition)
Is this you?
Become a LibraryThing Author.