This is a book for young readers, Alfred Hitchcock and The Three investigators "The Secret Of Skeleton Island". Text by Robert Arthur. Illustrated by Roger Hall. Published by Collins, this impression 1977.
An Alfred Hitchcock 160 page hard cover book of mystery, adventure and suspense. Jupiter, Bob, and Pete are the Three investigators, the team which "investigate anything".
The book is in good used condition with no rips, tears, or writing with a nice cover.