When Alice’s Uncle Sam brings home a mysterious calendar that’s short on chocolate but big on surprises, she is thrown into an advent she never dreamed of. Codes arrive by text message and open the doors in the calendar, drawing Alice and Sam into fantastical new worlds that are wondrous, frightening and beautiful and strangely familiar.

Packed with codes and secrets, and inviting us to explore the deeper meanings of Christmas, this enthralling and touching tale can be read on many levels, and will be loved by adults and children alike.