October was the fourth month in a row that retail sales at bookstores fell below 2005 levels, according to estimates recently released by the Bureau of the Census. Retail sales at bookstores during October were $1,006 million, 2.3 percent below the $1,030 million figure for October 2005. The Census Bureau also lowered previously released estimates for September 2006 bookstore sales from $1,497 million to $1,483 million. This puts year-to-date bookstore sales at 1.7 percent below 2005 results.