I purchased this because I am a fan of the classic Doctor Who stories, and of course, I was most interested in the portions of the book discussing the Who years. In this regard, I was not disappointed. The discussion of those years provided numerous little tidbits that were new to me. I was entertained and educated reading about the interactions between Troughton and his fellow actors, plus the discussion of the transition between Hartnell and Troughton.
I also found very interesting much of the discussion of Troughton's early life. The only downside to the book was the obvious need for a good editorial pass through the book to clean up the grammar. I'd give it a 5 star review if it wasn't for all of the instances of 'there' instead of 'their' and similar editorial slip ups. However, I read the book cover to cover and enjoyed it thoroughly, so I'd have to say it was a very worthwhile purchase.