The Hardy Boys series, first published in 1927, has sold more than 70 million copies! Now with a brand-new look, this is an edition that collectors won't want to miss! In The Missing Chums, the fourth book in the incredibly popular, long-running series, Frank and Joe Hardy must save their friends from a rogue group of kidnappers. A special treat for Hardy Boys fans and any reader who's new to the series. From the Hardcover edition.