I managed to practically steal a signed copy of Bruce McDowell's book "A Study of Colt Conversions and Other Percussion Revolvers" for $60, still sealed in plastic, which usually goes for over $200.
Walter Smith's book "Pistols & Revolvers".
"Shooting" by J.H. Fitzgerald.
"Magnum: the S&W .357 Magnum Phenomenon" by Timothy Mullin.
A leatherbound version of Ed McGivern's book.
Skeeter Skelton's "Good Friends, Good Guns & Good Whiskey".
Mike Venturino's "Shooting Sixguns of the Old West".
Walter Winan's "The Modern Pistol and How to Shoot It".
Charles Suydam's "U.S. Cartridges and Their Handguns 1795-1975".
Mark Hampton's "Handgun Hunting".
Tim Mullin's "Handbook of Handguns: A Comprehensive Evaluation of Military, Police, Sporting and Personal-Defense Pistols".
"Big Bore Revolvers" by Max Prasac.
"Fine Colts: The Dr. Joseph A. Murphy collection" by R.L. Wilson.
"Black Powder Long Arms & Pistols: Reproductions & Replicas" by Dennis Adler.
Plus a bunch on history, Indian beadwork, leatherworking, politics and ancient philosophy. Now if I can just find the time to read them all.