The Hardy Boys: Volumes 1, 2, 3
#1 The Tower Treasure: When the Hardys? neighbor is robbed, Frank and Joe?s father enlists their help in solving the case. #3 The Secret of the Old Mill: Frank and Joe have two mysteries to unravel?a counterfeiting case and a national security case that their father is working on. Will they be able to tie up all the loose ends? #44 The Haunted Fort: Frank, Joe, and their friend Chet search for two stolen paintings in an old fort said to be inhabited by a ghost. Can they survive the dangerous traps and threats and find the paintings? --back cover