A curious adventure awaits Dan when Mr. Alexander sends him a letter full of cryptic clues. Dan is to make an appointment with a doctor, but the doctor refuses to…
Dan Holiday uses Box 13 so he can remain anonymous until he feels like taking up a case. Today he gets a letter from someone who has discovered his identity.…
The latest request that comes into box 13 is for help with a case of voodoo. The normally practical minded Dan isn't discounting any possibilities as he heads out for…
Dan recieves a letter to meet a man who is in charge of building a tunnel under the river. There is trouble with sabotage that will cause him to finish…
Box13 - Look Pleasant Please. 481205 Dan Holiday is to meet a lady who needs help, but first she wants him to have a photograph taken with her. Who is…