Book TalkBestselling Clearwater author Lisa Unger (Crazy Love You) will speak in the Arts and Lecture Series benefiting the Manatee County Public Library at 6 p.m. May 4 at the Manatee Performing Arts Center, 502 Third Ave. W, Bradenton. Tickets are $35 at (941) 748-5875 or manateeperformingartscenter.com.Tommy Greenwald (Katie Friedman Gives Up Texting! And Lives to Tell About It), author of the Charlie Joe Jackson children's books, will appear to kick off Children's Book Week at 6:30 p.m. May 4 at Inkwood Books, 216 S Armenia Ave., Tampa.Jon Acuff (Do Over: Rescue Monday, Reinvent Your Work, and Never Get Stuck) will discuss and sign his book at 7 p.m. May 7 at Inkwood Books.Marine scientist Ellen Prager (The Shark Rider) will give an underwater reading of her children's book at noon May 9 at the Florida Aquarium, 701 Channelside Drive, Tampa. The event is free with aquarium admission; flaquarium.org.To place an item in Book Talk, send author's name, book title, appearance time, date, venue name and address, admission cost (if any) and a contact phone number to [email protected] (with "Book Talk" in subject line) or Colette Bancroft, Tampa Bay Times, P.O. Box 1121, St. Petersburg, FL 33731. Deadline is 14 days before publication.