I also have Fr. Kramer's Book of Destiny (if I can find it -- we have bookshelves in every room). Another insightful book is by Father Hugh Benson called Lord of the World. Although it's fiction, it's amazing that he wrote this in I think it was the late 1800s.
Yes, I have been wanting to read Lord of the World for years, but never get around to it. I'm going to see if audible has it. Libravox has done the audiobook, but it is a bunch of different readers, male and female, many different accents. I found it intolerable. I don't have much time for recreational reading, but audiobooks are great while doing the dishes!!