Our own Dr. BBQ, aka Ray Lampe, has some great books as well that would be solid additions to a BBQ book collection. See them here for details:
http://www.drbbq.com/
Big-Time Barbecue
All Year Long
Road Trip
NFL Game Day Cookbook
Ribs, Chops, Steaks & Wings
If you have an interest in and/or an appreciation of Texas BBQ, check out these two :
Legends of Texas BBQ by Robb Walsh
Repuplic of Barbecue, Stories Beyond the Brisket by Elizabeth Engelhart
Paul Kirk's books are solid too especially for beginners and those who want to learn how to make their own rubs & sauces
