I just finished Kavalier & Clay, by Michael Chabon, which would make a terrific summer read.
I am currently reading:
Douglas Adams' The Salmon of Doubt, Hitchhiking the Galaxy One Last Time
Jorge Luis Borges "Collected Fictions"
Paris to the Moon by Adam Gopnik
Chasing the Sun, Dictionary Makers and the Dictionaries They Made by Jonathon Green
James Gleick's Chaos, Making a New Science
Boswell's The Life of Samuel Johnson
Let Us Talk of Many Things by William F. Buckley Jr.
Lewis & Clark, Voyage of Discovery by Stephen E. Ambrose
also on my stack:
Longitude by Dava Sobel
interpreter of maladies by Jhumpa Lahiri
The Map of Love by Ahdaf Soueif
Seven Pillars of Wisdom by T. E. Lawrence
oh, and I also just finished reading Fermat's Enigma by Simon Singh -- a fascinating little book on "The Epic Quest to Solve the World's Greatest Mathematical Problem".
(whew)