This book succeeds in a purely biographical sense, but is weak in the area of apologetics which, in this case, mostly consist of lengthy quotes from sources that Flew found convincing, strung together with stilted prose. Given the depth of the subject and the limited length of the book, Flew was unable to give the numerous quotations the individual context they needed in order to be convincing, so I found myself continually questioning the true validity of his points. While I trust his expertise as a philosopher, I simply could not understand most of his philosophy-related references and, since I don’t trust him as a scientist, his numerous science-related claims seemed dubious.
Ultimately, reading this book just made me realise (not for the first time) what a true genius C.S. Lewis was.