Proficient Motorcycling
    Hough, David L.
    http://isbn.nu/1889540536

Sportbiking: The Real World
    Jaehne, Gary S.
    http://isbn.nu/1556308353

Soft Science of Road Racing Motorcycles
    Code, Keith
    http://isbn.nu/096504503X

A Twist of the Wrist II: The Basics of High-Performance Motorcycle Riding
    Code, Keith
    http://isbn.nu/0965045021

The Pace
    Ienatsch, Nick
    http://motorcycles.cyril.com/gap99/pace1.htm
    originally published Motorcyclist, 1991 and Sport Rider, 1993

Street Strategies: A Survival Guide for Motorcyclists
    Hough, David L.
    http://isbn.ru/1889540692

The Racers Image
    Boyer, David B.
    http://home.earthlink.net/~cmmartin/