Dear Rebecca Winter Is Here Author:Jean Craighead George, Loretta Krupinski (Illustrator) From a letter written by her grandmother, Rebecca learns that winter began on June 21, while she was cooling off under the hose. The northern half of the Earth began to grow cold, and the days grew shorter. The birds began to fly to the sunny underside of the Earth, and the groundhogs and bears went to sleep. But on December 22, summer will begi... more »n. Before long, Rebecca will take off her shoes and jump over bluebells.