Path of Magic: A Character Resource for Bards, Sorcerers, and Wizards is a player's resource and the third Legends & Lairs character class sourcebook.

From the publisher:

Taking arcane spellcasters to new heights!

• 10 unique legendary classes, new options for high-level characters who want to make a true impact on their world
  
• 9 new prestige classes, each with a unique organization and guidelines for integrating it with your campaign
  
• More than three dozen new feats, including new metamagic and special feats that enhance the strengths of spellcasting characters
  
• Several alternate core classes that can be used to add flavor to characters from 1st to 20th level
  
• New rules for bardic performance styles that enhance and differentiate bards that dance, sing, chant, or play an instrument
  
• Eldritch staffs, a new type of magic item that grows with its wielder in power and focus
  
• Mystical performances that transform bards from mere bystanders to active participants in the magic being wielded around them
  
• Magical traditions, schools of arcane thought that teach their students unique magical powers and philosophies
  
• New templates describing the benefits and drawbacks for characters who join an organization
  
• Expendable foci, a new type of magic item that helps arcane spellcasters control and shape the raw forces of the magic they wield