I've now gone back and read the entire post, which I hadn't done before my previous comments, and I see we're now allowing what might loosely be called "keyhole" histories, as opposed to general surveys.
That being the case, I'd like to recommend "I Will Bear Witness: A Diary Of The Nazi Years, 1933 - 1945" (2 Vol.,pub. Random House in USA), for a chilling and ultra-realistic account of everyday life in Nazi Germany, by Victor Klemperer, a Jewish-born Professor of Romance Languages in Dresden, who managed to escape the horrors of the Holocaust by virtue of his position and his marriage to a non-Jewish wife.
I've read both volumes 3 times in the six years since I bought them (both volumes at a greatly reduced price, in the remainders stacks, which I think makes a somewhat negative commentary on how Americans in the 21st century rank the importance of remembering the recent past, but that's a rant that deserves a post all its own), and I have every time been mesmerized by reading them. Are they page-turners? Well, no, not really, but I've found that it's their very dullness through many portions that is most illuminating.
Here's a brilliant and important man in the intellectual life of pre-war Germany reduced to writing about how he is going to make his next house payment (before his house is seized), how he is going to pay for needed car repairs (before his car is seized), who is going to be able to read his handwriting (after his typewriter is seized), how will he keep his emotionally unstable wife sane (after they are forced to euthanize their reaining pet, a cat they both love dearly)... the monstrous enormity of it, the enervating, almost daily grinding down of the will to carry on, are what keeps one reading through the pages of days becoming months becoming years of seeming drudgery.
But! Leave it to history, and its record of the years, to provide the dramatic impetus needed to propel the story along. Klemperer's fear of losing his house becomes sheer panic after the Kristallnacht, his fear of death is constantly reinforced once the evacuations begin, and he first hears, not of a place called Theresienstadt, which they hear is relatively humane (itself a comment on the effectiveness of Nazi propaganda!), but of a place called "Auschwitz", from which no voices are ever heard again ... hear him in his rare moments of defiant anger, when he swears that the Jews of KasparDavidFriedrichstrasse will be famous as far as it is up to him, and hear him rage against those professors who betrayed their intellectual backgrounds and sided with the Nazis, and hear his proposed punishment of them, that they be hung the highest of all from the lampposts, and left there for "as long as is compatible with hygiene".
And listen to his utter despair, this brilliant man, reduced to anguish over where the next 50 pounds of potatoes will come from. How he agonizes over the means of his death -- will he be starved slowly, or shot suddenly, or kicked to death in the street by an angry gang of youths who spot his yellow star? Or will he finally, like all the rest, be sent to the ovens of Auschwitz? And then you can marvel, if you've read this far, of his eleventh-hour deliverance by the Allied firebombing of the city of Dresden, the arguably most horrific act of terrorism ever visited by a free people on non-combatants in wartime, but an act which freed Klemperer, his wife, and his manuscripts so generations yet unborn have a record of what it was really like on the inside. A fair trade? No. But one we are fortunate to have.
I've read Shirer; I've read Speer; both are good, and contain valuable knowledge. But never have I read anything that made me feel so strongly what it was like to be there as Klemperer. The careful reader can feel, with the same numbing dullness, the straws being heaped, or like the caricatured voodoo doll, the pins being inserted, one by one by one, until the mind itself is altered. The reader turns the page not because he wants to, but because, like Klemperer, maybe the war will end on the next page. Maybe we will finally have deliverance -- tomorrow! How long can it go on? And in his deepest despair, again, the defiant anger -- I must go on!
I will bear witness, precise witness!
Wow -- that was quite a rant. Sorry if it went over the top, but I'd recommend these books to anyone who's reading this post.