The Pocket Guides Publishing Emergency Bicycle Repair Guide PG-EBR is a classic example of the great value of the Pocket Guide concept. This Guide Book from Pocket Guides Publishing is a comprehensive analysis of the problems that the cyclist may encounter during a biking trip, and it's extraordinarily well illustrated. The co-author of the Pocket Guides Pocket Bike Repair Manual, Eric Grove, has been a bike mechanic for over 25 years! It's all there: Bicycle Parts, key Tools, a Pre-Ride Check List, issues concerning Tires, Chains, Brackets, Bearings, and Brake Pads, among others. One unique aspect of this guide is the comprehensive "Symptoms" section that enables you to analyze a problem and implementing a repair. Wheel Repairs, Chain Repairs, Derailleur Repairs, and Tire repairs are addressed. A fantastic Guide for the Biker, the Pocket Guides Bike Emergency Repair Book is so small it fits easily into a bike bag!