Read it and Weep
Black Water (Pendragon 5) by D. J. MacHale
Few series have the courage to change genres every book. Few dare to have giant cat people keeping humans as slaves. Few have the balls to be read by an angry children's magician. Pendragon does all this and more.
Black Water by DJ MacHale is the 5th book in the Pendragon series, which follows a couple incompetent children as they bounce around the multiverse fighting a non-specific evil to a draw. It's weird. Sure, we didn't read the first 4, but my guess is it still wouldn't make much sense.
Thanks to Brennan for sponsoring. You can get Brennan's book Operation Sunroof as a Nook Book.