Mandie, Snowball, and Celia become trapped in a dark and creepy secret room in the schoolhouse basement. Can Mandie discover the meaning to the mysterious writing on the wall and find a way out?

Someone is going through Mandie's and Celia's rooms and Mandie's graduation dress is missing.

Uncle Ned returns the quilt with the Cherokee message to Mandie, but refuses to tell her what it means Now she is more curious than ever. Ages 8-13. Mandie book 35.

Can Mandie solve the mysterious writing on the wall?

After visiting with her Cherokee relatives, Mandie receives word from Jonathan Guyer about a mysterious secret, but when she tries to find him, she learns that he has fled to Long Island, so she decides to find out the secret for herself.

Mandie arrives home for spring break with a mystery already in progress. She is determined to find out who is hiding in the dilapidated house on the Shaw property. Ages 8-13. Mandie book 34.

Mandie returns to school in Asheville, North Carolina, and finds herself the target of a prankster who manages to make her look like the troublemaker.

Mandie and her friends search for Mandie's aunt's missing turkey. In doing so, they uncover other mysteries including a missing doctor.

In 1900, Mandie is searching her dead uncle's mansion for a missing will when she finds a secret tunnel and strangers who claim to be her relatives.

While visiting New York City in 1901, thirteen-year-old Mandie uncovers a mystery in the mansion where she is staying.