This book (more of a binder, really) has a lot of fantastic recipes, but I definitely wouldn't recommend this to just anyone.
Pros: It's from the actual Crock-Pot(TM) people, so all of the recipes tell you exactly what size of cooker is appropriate and I'm fairly certain that their times are accurate (although I have only tried two recipes so I can't be 100% on that).
Because it's a binder, I can take out the recipe I'm working on and have that in the kitchen without lugging the whole thing around (it is massive).
The collection is HUGE and has something for pretty much everyone, from die-hard meat eaters (there's a dish under "sides" that has beef and bacon in it...) to vegetarians (a vegetarian entree section and plenty of meatless dishes scattered throughout the rest of the book).
Cons: Although plenty of the recipes use fresh veggies and good spices, there's also a lot of recipes that use cream-of-gross condensed soups, dry soup seasoning mixes, etc. that I don't want to bring into my kitchen.
The other somewhat problematic thing is that the way the recipes are organized (and the premise of the book itself), 6 different sections all have different recipes for pot roast, and I find it easier to have things like that be all together. This isn't a huge issue, but it does make browsing for a recipe somewhat less simple than it ought to be.
I've only made two recipes from the book so far, but they seemed to be successful, so I will definitely be trying more.