Apollo 23
Apollo 23 is a book in the Doctor Who New Series Adventures. It was the first book in the series to feature the Eleventh Doctor and Amy Pond as his companion. Plot The Doctor and Amy arrive at a shopping centre much to the Doctor's disappointment. When arriving they discover that an American astronaut has appeared out of thin air. They both decide to materialize to the Moon which they successfully do and find the secret Base Diana. Investigating, they learn of a plot by the evil Talerians to take over the Earth by possessing human bodies. The Doctor ends up trapped on Earth and working with secret government officials, manages to return to the Moon on Apollo 23, there having secretly been Apollos 18 through 22 before a link was established between Earth and the Moon that allowed instantaneous travel before sabotage caused it to break down, causing the spaceman to appear. On the Moon, Amy is captured and possessed and lures the Doctor into a trap, but he manages to escape with the help of Major Carlisle who managed to secretly remain unpossessed due to a power failure caused by Amy attempting to stop sabotage. With Carlisle's help,