Rack and pinion, double lever, frame, and flynut-these are just some of types of corkscrews that can be found in this fascinating book. This guide, Bull?s Guide to Corkscrews, invites collectors and dealers once again to explore remarkable examples of corkscrews, from figurals and eclectic corkscrews to corkscrew knives: rare and novelty varieties are well represented. For easy reference, all corkscrews are classified categorically along with their current market value.