THE KEY TO MY CHILDREN SERIES: HEATHER HEARD THAT is about a 3 year old girl who wears hearing aids. The school's Hearing Impaired Teacher also recommended Heather use an assistive listening device while in the preschool classroom. The device, or auditory trainer, required Miss Susan to wear a microphone close to her mouth while Heather clipped on a wireless receiver attached to her hearing aids. It allowed Heather to hear Miss Susan's voice over the surrounding noise. Miss Susan wanted to be sure Heather was comfortable her first day of school and not be self conscious about her hearing...