"Trixie Belden and the Mystery on the Mississippi", written by Kathryn Kenny with illustrations by Hairs Petie. The cover is by Paul Frame, published by Whitman Publishing Company, copyright 1965. The book is 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 1986.
254 page hard cover book in good condition with no rips, tears, or writing. The pages are browned due to age of book. The cover has light shelf wear.