The authors of three LSU Press books about music will discuss their books at 6 p.m. Thursday at Lagniappe Records, 705 St. Joseph Street.

Barbara Sims, author of “The Next Elvis: Searching for Stardom at Sun Records,” joins John Wirt, author of “Huey ‘Piano’ Smith and the Rocking Pneumonia Blues,” and Alex V. Cook, author of “Louisiana Saturday Night,” at the event. Erin Rolfs, LSU Press marketing manager, is the host. A question-and-answer session also will be held.

The event is free and open to the public. LSU Press and Lagniappe will be offering 20 percent off books and records. The sale will include all Sun Records and swamp pop vinyl discs. Beverages and snacks will be provided.