Another alternative history
Germany won WW II by not declaring war to USA,and it is now governing most of Europe, Russia, Middle East and some part of Africa. France has the Vichy government which uneasily still goes on. German colonists are trying to settle in the vast wildness of the russian plains, besieged by continuous insurgents. This is Germany East.
UK made an uneasy truce with Hitler in 1944 and is living waiting for another confrontation. Plenty of USA bases and soldiers are living there top prevent a german invasion.
The Nazi Germany of 1985 is a place which has serious economy problem, and this is prpbably the first book I have read which tried to tackle this aspect of the Nazi regime, which needed constant expansion in order not to collapse under its own debts. Too many social expenditures (a sort of pension is also awarded to women with four children) are bankrupting the Reich.
In this scenario, Gudrun, the daughter of a policeman (also an ex soldier), and an excellent computer student in one of the few German universities, discovers that the government has lied to its citizens about the state of the war in South Africa, in support of the apartheid regime. She discovers that the number of killed and wounded are not reported sincerely in Germany and she starts to rebel. This causes a snowball effect, which is quite interesting to read.
Whilst not at the level of Harry Turtledove novels ( which are usually muco more complicated), the book and its sequels (yeti to be seen, but I am waiting for them) con be read very quickly and are quite catching. There is a nod to Mr. Turtledove, as an homonym, is the ambassador of the USA in Germany, quite a nice touch. Recommended as a nice read.