Bookstore sales in March rose 1.1%, to $931 million, according to preliminary estimates released Monday morning by the U.S. Census Bureau. For the first quarter of 2013, bookstore sales were up 2.2%, to $4.03 billion, compared to the first quarter of 2012.

For the entire retail segment, sales rose 2.6% in March and were up 2.8% for the first quarter over comparable periods in 2012.