Lightning watch parties: Cheer on the Lightning as they battle the Boston Bruins in the playoffs. The team will show the game outside at the St. Pete Times Forum for free, with giveaways and food and drinks for sale. Or head to the Brick House Tavern & Tap, 1102 N Dale Mabry in Tampa, where they will give out free playoff souvenir cups and other freebies. Game starts at 8 p.m.
Helios Jazz Orchestra: The 18-piece jazz orchestra performs swingin' dance music. Free appetizers and desserts offered at 7 p.m. at NOVA 535 Art Lounge, 535 Dr. Martin Luther King Jr. St. N, St. Petersburg. $20 at the door. (727) 821-6682.
Author discussion and signing: Mark Kurlansky, the author of the award-winning bestseller Cod: A Biography of the Fish That Changed the World, offers a new book for kids about what's happening to fish, the oceans and our environment, and what kids can do about it. He will discuss and sign World Without Fish Tuesday at 6 p.m. at Inkwood Books, 216 S Armenia Ave., Tampa. Free. (813) 253-2638