THE FARNAM METHOD OF DEFENSIVE HANDGUNNING (new 2nd edition)
by John. S. Farnam
STRESSFIRE by Massad Ayoob
FIGHTING SMARTER by Tom Givens
SURVIVAL SHOOTING by Tom Givens
DEFENSIVE USE OF FIREARMS by Stephen P. Wenger
CONCEALED CARRY FUNDAMENTALS by Michael Martin
SHOOT A HANDGUN: A MANUAL ON HOW TO SHOOT A HANDGUN by Dave Arnold
SHOOTING FROM WITHIN by J. Michael Plaxco
PRACTICAL SHOOTING: BEYOND FUNDAMENTALS by Brian Enos
SHOOT TO WIN by John Shaw
YOU CAN'T MISS by John Shaw
THE MODERN TECHNIQUE OF THE PISTOL by Gregory Boyce Morrison
TACTICAL PISTOL SHOOTING by Erik Lawrence
A PISTOL SHOOTER'S TREASURY by Gil Hebard
Some of these are out of print and hard to find and may be expensive. Others are easily purchased used from Amazon.com or Barnes & Noble or Alibris or one of the other on-line booksellers