Autocourse Official History of the Indianapolis 500 (Second Edition)
Authors: Donald Davidson and Rick Shaffer
Back on Track: Racing in the 1940s
Author: Alessandro Silva
Caribbean Capers: The Cuban Grand Prix Races of 1957, 1958 & 1960
Author: Joel E Finn
Grand Prix Zandvoort
Authors: Mark Koense & Tuvalu Media
Kings of the Nurburgring
Author: Chris Nixon
Le Mans: The Official History of the World's Greatest Motor Race
Author: Quentin Spurring
Mille Miglia: A race in pictures - Leonardo Acerbi / Formula 1 & Monza: A race in pictures
Author: Enrico Mapelli
Monaco Grand Prix: A photographic portrait of the world's most prestigious motor race
Author: Michael Hewitt
Targa Florio 20th Century Epic
Authors: Piero Fondi and Gianni Cancellieri
Time and Two Seats: Five decades of long distance racing
Author: Janos Wimpffen
More in the series:
http://www.amazon.co.uk/Official-History-Indianapolis-500/dp/1905334826
Quite pricey, but I got mine from a third party vendor for £10 less than RRP. It's a nice coffee table book, but not easy to read in bed, as I found out last night.