The Hardy Boys must survive an ambush to save a kidnapping victim.

When a rogue mentor agent within A.T.A.C. tries to kill them, Frank and Joe Hardy discover that the agent was being manipulated by malevolent forces who kidnapped his son, and the Hardy Boys have until dawn to find the child.

When a rogue mentor agent within A.T.A.C. tries to kill them, Frank and Joe Hardy discover that the agent was being manipulated by malevolent forces who kidnapped his son, and the Hardy Boys have until dawn to find the child.

Frank and Joe race against time to retrieve a scientist’s top-secret invention before thieves get their hands on it. But the young detectives soon discover that they are involved in a mystery far greater in scope than just safeguarding the invention. When Joe is kidnapped, this incident starts Frank of on a chase that could end disastrously for him and his pals.

In this change of pace adventure, written by Scott Lobdell and illustrated by Paulo Henrique, Frank and Joe Hardy discover a rogue mentor agent within A.T.A.C. (American Teens Against Crime) — when that agent tries to kill them! But it's soon discovered he was being manipulated by malevolent forces who kidnapped his child — and now the Hardy Boys have only until dawn to find the man's son!

When a rogue mentor agent within A.T.A.C. tries to kill them, Frank and Joe Hardy discover that the agent was being manipulated by malevolent forces who kidnapped his son, and the Hardy Boys have until dawn to find the child.

Frank and Joe Hardy discover a rogue mentor agent within A.T.A.C. (American Teens Against Crime)--when that agent tries to kill them! But it's soon discovered he was being manipulated by malevolent forces who kidnapped his child--and now the Hardy Bo

The Hardy Boys search for a magician's missing assistant.

A dying criminal confesses that his loot has been stored "in the tower." Both towers of the looted mansion are searched in vain. It remains for the Hardy boys to make an astonishing discovery that clears up the mystery and clears the name of a friend’s father.

Traveling across the country on the maiden voyage of a sleek new modern train, the HARDY BOYS find themselves framed for murder! But they can't depend on A.T.A.C. to help them -- because every indication is that it is a super secret spy organization that framed them! Ages 8 to 12.