Readings and signings on LI: April 4-7

April 4

Actress-turned-reality star Tori Spelling signs her new book "celebraTORI: Unleashing Your Inner Party Planner to Entertain Friends and Family" (Gallery Books). At 7 p.m., Barnes & Noble, 4000 E. Jericho Tpke., East Northport; 631-462-0208

April 5

Olympic swimmer Amanda Beard discusses her memoir "In the Water They Can't See You Cry" (Touchstone). At 7 p.m., Book Revue, 313 New York Ave., Huntington; 631-271-1442, bookrevue.com

April 7

Debut author Steven John reads from his thriller "Three A.M." (Tor Books). At 6:30 p.m., The Dolphin Bookshop, 299 Main St., Port Washington; 516-767-2650, thedolphinbookshop.com