The epic conclusion of the George's Secret Key series is here! Join George on his thrilling journey through time as he uncovers the truth behind a barren wasteland where his hometown used to be.

With the help of an unexpected new friend, can George find out what - or who - is behind this terrible new world before it's too late? Lucy Hawking, Stephen Hawking's daughter and award-winning author, brings you a heart-stopping adventure that will keep you on the edge of your seat.

Garry Parsons' stunning illustrations bring the story to life in this must-read conclusion to the George's Secret Key series.

Don't miss out on this unforgettable journey through time and space!