Designing and Forming Custom Cartridges for Rifles and Handguns

Designing and Forming Custom Cartridges For Rifles and Handguns, by Ken Howell, is widely considered the leading book on the subject. "This is an absolutely incredible [book] for wildcatters, ballistic students and serious cartridge handloaders. It provides the critical dimensions (imperial and metric as well as displacement) for about 1840 cartridges.