Barnes & Noble has announced its line-up of author signings and readings for April.

Stage and screen star Ashley Judd will sign her memoir All Things Bitter & Sweet at 12:30pm on Wednesday, April 6 at 555 Fifth Avenue. Emmy Award winner Tina Fey will discuss and sign her new book, Bossypants at 7pm on Friday, April 8 at 33 East 17th Street. Stage and screen legend Shirley MacLaine will discuss and sign her book I'm All Over That at 7pm on Wednesday, April 13 at 97 Warren Street. Comedian Demetri Martin will discuss and sign his book, This Is a Book, at 7pm on Monday, April 25 at 33 East 17th Street.

Other authors and celebrities who will appear at various stores next month include Katie Couric, Larry Flynt, Tyrese Gibson, Gilbert Gottfried, Ice-T, Molly Jong-Fast, and Caroline Kennedy.

For more information, visit www.bn.com.