"Twenty Two Caliber Varmint Rifles." is Charles Landis' book covering a wide variety of the 22 caliber varmint cartridges available, it gives detailed dimensions of the cartridge in tables at the rear of the book. Landis goes into detail about barrels and barrel steel as available in the early post WWII period. Landis details the problems faced with inferior steel and discusses tight and loose spots in barrels.