Ellie's scientist grandfather has discovered a way to reverse aging, and consequently has turned into a teenager--which makes for complicated relationships when he moves in with Ellie and her mother, his daughter.

Alex, nearly thirteen, flees with his grandfather across snowy Europe to escape the human and mechanical assassins that pursue them, trying to retrieve a powerful object.

Heidi is only five when she is taken to live with her grandfather, known as Uncle Alp, in the Swiss Mountains. Notorious in the village for his gloomy outlook and reclusive nature, Uncle Alp nevertheless comes to love little Heidi, and she him. Just as Heidi begins to grow fond of her new mountain family and friends, she is suddenly taken to Frankfurt to be a companion to Clara, an invalid. Although she brings great joy into Clara's life, Heidi pines...

Nancy writes a report for school about her great-grandfather, making things up so he seems less ordinary, but when she learns that Grandpa will be there to hear her read the report aloud she realizes she was dishonest.

Fifth grader Robbie is determined to stay out of trouble so that she does not worry her grandfather whose memory is failing and to make sure that she and her grandfather stay together as he is the only family she has left.

A little boy provides instructions for properly babysitting one's grandfather, such as offering him tasty treats and entertaining him with special games.

When he and his mother and brother take over running his aunt's seaside inn, with prayer and the help of a Japanese kitemaker, eleven-year-old Nick is able to connect with his grouchy grandfather.

Dozing off while contemplating Grandpa's unusual vacation, Kate dreams about Chewandswallow, where it snows popcorn and rains sandwiches and the fate of falling food intrigues her.

A child rescues a young crow that has fallen out of his nest during a storm, then tries to prove to his grandpa that Crowbar is a very smart bird.