"Trixie Belden and the Mysterious Visitor", written by Julie Campbell and illustrated by Mary Stevens, published by Whitman Publishing Co., copyright 1954. The book is 7-3/4" 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.
Good condition. There is one small tear on the back of the front cover at the bottom. There is no writing in the book. The pages are browned due to the age of book. The cover has light shelf wear.