When it comes to high-end furniture catalogs, Pottery Barn ranks as a relatively low-level offender, especially compared to their pricier competitor, Restoration Hardware. Though the company ships but one catalog, divvied into 13 so-called "source books," a year, Ms. Merrick writes, collectively, they make a hefty tome—totaling 17 pounds and 3,300 pages, or more than twice the number in the six catalogs the company sent in 2003 combined.