From back cover of PDF:

Perilous adventure awaits those fate has chosen as its champions...
The Player’s Guide contains the essential rules and information needed to start playing Warhammer Fantasy Roleplay—including streamlined rules for gameplay, character creation, exciting combats and engaging encounters. The Player’s Guide showcases Warhammer
Fantasy Roleplay’s innovative career system, and makes it easy to reference hundreds of exciting actions, spells, blessings, and special abilities from the original Warhammer Fantasy Roleplay Core Set, as well as numerous expansions—now all in one handy resource. The updated rules and guidelines found in the Player’s Guide allow players to enjoy Warhammer Fantasy Roleplay using the components available in the Core Set or Player’s Vault, or in a more traditional way with just the books and dice.

Whether you’re new to Warhammer Fantasy Roleplay or a veteran gamer, the Player’s Guide is a valuable reference you’ll want to bring along on your adventures in the Old World!