From the publisher:
Arm Yourself for Adventure.
The Player’s Handbook is the essential core reference for every Dungeons & Dragons roleplayer. This sourcebook provides you the tools and tips to help create your characters, equip them, and send them out into the world.
• Get all the rules needed to create, level up and start adventuring with your D&D characters with helpful tooltips
• Unlocks 28 subclasses, 10 backgrounds, and 2 subraces for use in the guided Character Builder
• Adds 57 spells and 66 feats - easily know what each power does with just a click of your character sheet