Christmas at Mole Run is a 25-chapter Advent story of the small animal community at Mole Run. Joel the Mole's father disappeared two years ago, and now Joel works feverishly to rebuild the family home, destroyed by a spring flood, before Christmas. With the help of his friends Othello the Owl and Pocket the Ground Squirrel and encouragement from the entire community, Joel prepares for the return of his mother and younger siblings. But a letter from relatives in the east causes all of Mole Run to become a hubbub of activity! And who is the mysterious stowaway on the train whose heart is set on Mole Run?