Boston-based radio talk show host Howie Carr, who is also a New York Times best-selling author, will be signing and discussing his book “Hitman.” Organizers of the signing say Carr is likely to have some free magnets, T-shirts and other surprises for folks who turn out.

WHEN: 11 a.m. to 1 p.m. Saturday

WHERE: Nonesuch Books & Cards, Mill Creek Shopping Center, 50 Market St., South Portland

HOW MUCH: Free

INFO: 799-2659; nonesuchbooks.com