From the campaign:
If you play, or run, a Pathfinder game, this book will save you time. It's as simple as that. Hundreds of detailed, ready-to-use PCs/NPCs and animal companions for a great price. Tons of high-quality, intricately-detailed crunch.
Not quite sure? Check out the free PDF DO1 Standard Pregenerated Characters for Pathfinder, a smaller collection of 46 characters that should give you a good sense of what to expect... times seven!
The Kickstarter is already over its funding goal and working through stretch goals. There's still 25 days to get in on the action.