Montgomery Ward celebrates this Christmas with its thickest book since the venerable brand relaunched in fall 2004. The 148-page holiday catalog dropped in early October and again in early November. Generally, the catalog is 116 pages, said David Milgrom, CEO/president at Direct Marketing Services Inc., Chicago. We have been slowly upping the number of pages of the catalog over the last year. When we included all of the seasonal products, we added 50 pages. It will continue to grow, though the holidays will generally have more pages. Cataloger Direct Marketing Services acquired the rights to the Montgomery Ward name and revived the business in late 2004. Mr. Milgrom said he relaunched the brand based on customer demand and its strong name. The catalog is an 8.5-by-11-inch full-color booklet. It offers 3,000 products like holiday décor, home furnishings, small electronics, jewelry and exercise equipment - all big holiday sellers, Mr. Milgrom s