Intergenerational relations -- Juvenile fiction

A man who looks like a tramp turns up on Cessie's doorstep and says he is her grandfather. She loves Popsicle immediately, but her father is less willing to welcome the stranger. Popsicle has amnesia, so is he really who he claims to be?

All Frank wants is a new bike, but bikes cost money - so he better start saving! When he settles on helping his sister, Lottie, with her paper round, the last thing Frank expects is to meet an old lady wearing a cowboy hat and boots - she's not like anyone he's ever met before. But Frank's new fr...