"Trixie Belden and the Mystery at Bob-White Cave" written by Kathryn Kenny and illustrated by Paul Frame, published by Golden Press, copyright 1966. The book 8-1/2" long by 5-5/8" wide.
Trixie Belden is the title character in a series of girl's detective mysteries from 1948 to the 1980's.
254 page hard cover book in good condition with no rips, tears, or writing. The pages are browned with age. The cover has light shelf wear.