After secretly receiving injections at the age of 100 that are meant to reverse the aging process, Melly and Anny Beth grow younger until, as teenagers, they try to find a guardian to take care of them as they return to infancy.

When thirteen-year-old Ellie's Grandpa Melvin, a world-renowned scientist in the body of a fourteen-year-old boy, comes for an extended visit, he teaches her that experimenting--and failing--is part of life.--

"What happens when Jack notices that his beloved dog, Cooper, is growing older and can't do the things he used to do when he was younger? He realizes that the changes he sees in Cooper are very similar to those he sees in his aging grandparents. As Jack learns to accept these changes he also finds ways to adapt to them making Cooper (and grandma and grandpa) feel special...gray whiskers and all! Gray Whiskers is a kid's guide for loved ones growing...