Lyman's 51st Edition Reloading Handbook continues their standing as the proven source for reloading data. Lyman handbooks have always used the widest selection of cartridges, bullets and powder from all the major manufacturers. This 51st Edition continues their tradition was being the only data source using multiple brands throughout their data.Specifications and Features: New Cartridges Included - 224 Valkyrie, 22 Nosler, 24 Nosler, 6mm ARC, 6mm Creedmoor, 6.5 PRC, 6.5 Wea. RPM, 6.8 Western, 300 PRC, and more Largest Selection of Bullets - Barnes, Berger, Hornady, Lapua, Sierra, Speer, Swift and Winchester plus full selection of Cast Bullets Wide Range of Popular Powders - Accurate, Alliant, Hodgdon, IMR, Norma, Ramshot, VihtaVuori and Winchester Feature Article on Progressive Presses - In addition to Lyman's standard How-To articles featuring loading on single station/turret presses, they also discuss Tips and Techniques for Loading on Progressive Presses.