Packed with codes, secrets, biblical parallels, and reminding us of the real meaning of Christmas, this enthralling and touching tale can be read on many levels, and will be loved by adults and children alike.

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.

Accompanied by famous figures from the Bible, they explore the great themes of Advent and Christianity and find themselves maturing, changing and questioning.

Life in their own world will never be quite the same again.

'The door at the top of the calendar slowly began to swing open. There was just blackness on the other side – not the kind of blackness you expect to see in a painting. For Sam and Alice it was like looking down a tiny, dark hole or through a window into nothingness. They both took a step backwards in shock. A split second later, the tiny door was as big as a large window and it came rushing toward them. A moment after that, before they could move or think or do anything at all, they were completely swallowed up by the great and utter darkness and, at first, complete silence'