The book is dedicated to military families that move thousands of miles each year. Rylan is five and has been living in Anchorage, Alaska with his family. Rylan has only known Alaska and its adventures. He does not understand moving 4,421 miles to a new home. Soon after Dad arrives home from deployment, he announces to the family it is moving time. Rylan is not sure that he wants to move. What will he do with his mouse friend, Henry.. Come on an adventure with Rylan and his family from Anchorage, through Canada, to their new house in South Carolina. Will Henry go with Rylan, or get packed in a box and left behind.