The Secret Speech by Tom Rob Smith
Second in his Leo Demidov trilogy. Maybe a step down from Child 44 which was excellent, but still very entertaining and enlightening reading.
Molly's Game by Molly Bloom
Interesting insights into a world I know nothing about.
Franklin and Winston by Jon Meacham
Intriguing look at friendship between giants of their age.
One Minute to Midnight by Michael Dobbs