Wendelin Van Draanen

On Halloween night, seventh grader Sammy stumbles onto a mystery involving a twenty-year-old family feud and some heirlooms stolen by a man in a skeleton costume.

When a school bus accident leaves sixteen-year-old Jessica an amputee, she returns to school with a prosthetic limb and her track team finds a wonderful way to help rekindle her dream of running again.

Thirteen-year-old Sammy's penchant for speaking her mind gets her in trouble when she involves herself in the investigation of a robbery at the "seedy" hotel across the street from the seniors' building where she is living with her grandmother.

When her behavior escalates out of control, fourteen-year-old Wren is taken away to a wilderness therapy camp where she is forced to develop new skills, including the courage to ask for help.

"When youth sleuth Sammy Keyes travels to Las Vegas to stop her mom from marrying her boyfriend's dad, she never expects she'll learn the identity of her absent father in the process"--Provided by publisher.

"Teen sleuth Sammy Keyes solves a classic locked-room mystery aboard a cruise ship"--Provided by publisher.

When her history teacher begins receiving death threats and her own name is near the top of the suspect list, eighth-grader Sammy is determined to find the real perpetrator, but she is distracted by her mother's relationship problems, her almost-boyfriend inexplicably avoiding her, and her duties as a reluctant bridesmaid.

A Hollywood actress, who had been competing with Sammy's mother for an important role, is murdered, but thirteen-year-old Sammy and her friend Marissa are on the case.

While celebrating the New Year with a friend, Sammy encounters a mystery involving an elderly neighbor, a pioneer cabin, and a century-old family feud.

While on her first hiking and camping trip, thirteen-year-old Sammy tries to solve a mystery involving endangered condors while avoiding scorpions, ticks, and embarrassment.