Barnes & Noble’s fiscal first quarter was a tale of modern and traditional. Tech-savvy consumers snapped up its e-books and other digital content during the period, while traditionalists headed to its bookstores for the popular “Fifty Shades of Grey” series.

Barnes & Noble Inc., the largest traditional U.S. book retailer, faces tough competition from online retailers like Amazon.com and discount stores as consumers increasingly move away from traditional books in favor of reading on devices such as e-readers and tablets.