Sam wants to go out but it's pouring with rain, so he and Grandpa decide to stay inside until the rain stops. Sam drinks hot chocolate and reads his books and dreams of adventures while Grandpa gets on with his important paperwork. Grandpa seems to have a VERY important letter to write. Then that very important letter has to be posted, despite the rain and floods. As they finally go outside, Sam and Grandpa have a magical adventure. Rain is the follow-up to the acclaimed Sw; and is the second title in a four-book series based on the weather.
Sam Usher studied illustration, graduating in 2008. His first book, Have You Seen Sassoon? was longlisted for the Greenaway Medal and shortlisted for the Red House Children's Book Award and the Waterstones Children's Book Prize.