Look at what I found in the bookstore:
The Aedyn Chronicles: Chosen Ones by Alister E. McGrath
How on earth can one simultaneously be a full-time theology professor, a historical/systematic/scientific theologian, a popular apologist, a world-touring speaker, yet still finds the leisure of becoming…… a children’s fantasy writer? Judging from the title, this doesn’t seem to be the only one, but the beginning of a series…
With more than 66 titles published while he’s only 57 years old, I can only conclude that he is indeed a literature-producing machine……

so is C.S. Lewis