From the back of the book:

Welcome to the Accordlands, a land in turmoil. Races and nations who were once joined in the Accord against the Great Dragon now battle for control of world. Deverenian knights march to spread their Empire. Elven wizards and assassins work to destroy the human race. All while the secretive Medusan Lords pull the strings from behind the scenes. Fantastic creatures fight against and beside warriors and wizards. Gods walk the earth to fight with their chosen. Heroes are few and far between in the Accordlands, and those who choose to fight for a better tomorrow will face dangers unparalleled elsewhere.

The Warlords of the Accordlands Rules Codex contains all the information you need to start your players on an adventure through the world of Larnisar. From exciting new base classes, prestige classes, spells, and equipment, this book has everything that makes the Accordlands unique. Will a group of necromantic elves do battle against the humans? Will a team of noble dwarves fight to defeat the Abyssals? Or will they all join together to fight the greater evil?

• All new races unique to the Accordlands.
• 18 new Character Classes for use in the Accordlands or any other fantasy setting.
• The groundbreaking Racial Gifts mechanic, adding more diversity than ever before to your characters.
• Over 20 new prestige classes bring the Accordlands to life.
• New Equipment and Items for characters: from poisons, to traps, to unique steeds. The list of categories alone is too long to include.
• New spells unique to the Accordlands.