When Kelly loses a little boy to monsters who live under his bed during her first babysitting job, she learns about a secret society of babysitters who fight monsters.

Goosebumps meets The Last Kids on Earth as Kelly and the babysitters try to stop an evil plan to turn kids into monsters in the third action-packed book in this hilariously scary illustrated series. "This shining gem in the campy monster drama genre is a step up from R.L. Stine's Goosebumps." -School Library Journal It's the end of the world as she knows it! Thirteen-year-old Kelly Ferguson's secret life as a monster-hunting babysitter is taking...