This book is from the "Mel Martin Baseball Story" series. It is "The Mystery at the Ball Park". The title is on the spine. It is a hard back book with 208 pages. It was written by John R. Cooper. The illustrator is "Lyle". The book is "Copyright, 1947, 1952, By Stratemeyer Syndicate, East Orange, New Jersey". This is the "Books, Inc. Edition. There is no dust jacket. There is only one picture in the book. It is in my picture #2. The book is 7-7/8" tall x 5-3/8" wide x 7/8" deep.
This book has a name and address on the inside cover. There are spots on the cover. The pages have yellowed.