Continuing the Solomon Raven series, Lewis Cardinal is confused as his woodland friends get ready for winter? Should he stay or go? Solomon explains hibernation and migration, leading Lewis to understand the process of change and friendship? Second in a four book seasonally themed series? This is the winter theme? Books in the series include: A Home for Pearl Squirrel (fall), Lewis Cardinal's First Winter (winter), Cinnamon & the April Shower (spring), Mason Moves Away (summer).