"The Gray Menace" by Betsy Allen is a vintage 1953 first edition hardcover book published by Grosset & Dunlap in New York. This children's mystery novel is part of the Connie Blair Mystery Eight series, featuring a thrilling storyline with a touch of suspense. The book is original, printed in English in the United States, making it a valuable addition to any collector's library.

There is a pinhole that affects a couple pages. Please refer to photos.