Current
The Letters of J. R. R. Tolkien: Revised and Expanded Edition
The Partition: Ireland Divided, 1885-1925, by Charles Townshend

Last books finished 
Jerusalem, Part 1, by Selma Lagerlöf
Silence: A Christian History, by Diarmaid MacCulloch (did not finish)
The Casuarina Tree, by W. Somerset Maugham
The Irish Assassins: Conspiracy, Revenge and the Murders that Stunned an Empire, by Julie Kavanagh
The House of Doors, by Tan Twan Eng 
The New Machiavelli, by Jonathan Powell

Next books
The Twist, by George Mann et al
Burning Brightly: 50 Years of Novacon, by Ian Whates
East of Eden, by John Steinbeck