ABANDONED. What's the book in which a journalist finds a diary of a person who escaped from Nazi concentration camps and later saw a Nazi camp head roaming free in the city?

[Raja Sekhar]

I've read a few chapters of this book when I was in college. I left reading it, and I've lost it eventually. I want to complete it. Anyone know what this book is? It has gotten into my mind. I must complete it. Thanks a lot in advance

[Lobstergirl, au gratin]

Moving to Unsolved.

[Lobstergirl, au gratin]

So it's nonfiction?

[Lobstergirl, au gratin]

Was the journalist American, British, other?

[Lobstergirl, au gratin]

Raja Sekhar left the group. Moving to Abandoned.