Darcy J. Doyle, daring detective ;

Hoping to find a buried treasure by following clues left in an old library book, D.J. and her best friend finally discover what is really valuable.

When a mysterious new kid moves into town, Darcy decides that sometimes it's more important to be a friend than to prove that she's the best detective in the fifth grade.

When Darcy Doyle goes camping with her church youth group, she is hired to investigate the mysterious noises which disturb them.

Darcy, her brother, and their dog Max are staying with their grandparents when Max disappears and Darcy faces the most important case of her detective career.

When a crime wave strikes the fifth grade, Darcy Doyle tries to find out who is stealing homework papers.

When her brother's brand new mountain bike is stolen, Darcy helps the police track down the thief.

When snacks and candies disappear from the shelves at Remington's Grocery Store, detective D.J. Doyle takes on the case and makes a new friend in the process.

Fifth-grader Darcy's recently widowed neighbor cannot find his glasses anywhere, but when Luke, a classmate, explains to Darcy about the special reading class he attends, Darcy solves the mystery of the glasses with ease.

When neighbors claim to have seen her brother Allen, dressed in his Halloween monster costume, committing acts of vandalism, Darcy Doyle vows to find out who's framing him.

When her snobby classmate Brittany loses her expensive poodle on the day of the pet show, Darcy Doyle agrees to find the missing dog.

With the help of her dog Max, Darcy is able to figure out who is responsible for sabotaging the fifth-grade class play.