The Portland Public Library will host a panel discussion Thursday on Maine’s growing heroin problem.

The talk, called “Join the Conversation: Heroin,” is part of a community effort to understand the problem and figure out how to address it, according to a press release from the library.

Last year, 57 people in Maine died from heroin overdoses, compared with seven people in 2011, and the number seeking treatment for heroin addiction tripled from 2010 to last year.

The panel of local experts will include Assistant Portland Police Chief Vern Malloch, Andrew Kiezulas of the Maine Chapter of Young People in Recovery, and Lizzy Garnatz of Community Health Promotion Specialists.

A question-and-answer session will follow the panel discussion, which is scheduled for 5:30 p.m. in the library’s Rines Auditorium.