Mandie and the Missing Schoolmarm

is the thirty-nineth book in the Mandie Mysteries series.
==Book Description==
Mandie's favorite teacher, Miss Hope, has gone missing! The start of school is fast approaching, and Miss Hope's sister, Miss Prudence, refuses to call the police. Everywhere else they turn leads to a dead end. It's almost as if no one wants Miss Hope to be found....
(Description from Mandie.com)