Get ready for some exciting detective work with The Hardy Boys! The 3 books included are The Secret of Skull Mountain, The Secret Agent of Flight 101, and What Happened at Midnight. Written by a talented author, the books feature the famous Hardy Boys as they solve mysteries and solve problems for people in their town.

The books are in great shape and perfect for collectors or anyone who loves detective stories. The language is in English and the publisher is Grosset & Dunlap. With topics ranging from solving mysteries to detecting fraud, these books are sure to keep you on the edge of your seat. Don't miss out on this opportunity to add The Hardy Boys to your collection!