Some points are interesting, but overall I found it a bit too fatalistic. Several aspects of this book did not resonate with me even though the notions given are after all in tune with what I believe and have also found in other texts.
I found 'strange' the strong division between good and bad souls. Perhaps it is a translation problem or perhaps even in the original this division is so marked. The book gives the impression that there is no middle ground, either you are good or you are bad. In my opinion it is counterproductive to put down this concept in such a drastic view.
Finally, the division of the spiritual world into the various realms seemed a little too mathematical (too human) to me. ( )