Relative Danger Cealie Gunther Mystery Series, Book 1.

Spunky widowed Cealie Gunther is a woman of a certain age whose zeal for adventure keeps her in the thick of things-like trouble. She pops up in town early to watch her motherless granddaughter Kat graduate, only to discover that because of a custodian's death-accidental-or murder?-graduation might not take place. Determined to find the truth, Cealie snags a job as a substitute teacher, exposing much violence, lurking menace and more disturbing q...