For more information, call 978-256-5521.

For times and days of events, or to register online, visit the calendar of events at http://chelmsfordlibrary.evanced.info/signup/calendar.

GREAT HALIFAX EXPLOSION AND THE BOSTON CHRISTMAS TREE: 7 p.m. Dec. 6. Dr. Lee Poirier will share the background behind the disaster and how help rushed in from all over New England and particularly from Boston and the surrounding area.

FRIENDS OF THE LIBRARY MEETING: 7 p.m. Dec. 6. The Friends meet on the first Thursday of each month. They support educational, cultural, art and music programs for adults and children, as well as museum passes, computer workstations, equipment and furniture for both the Anna C. MacKay Branch and the Main Library.

TAKE A HOLIDAY BREAK FILM SERIES: 2 p.m. Dec. 8, 15 and 22. Free. Every weekend the library will show a recent, popular, family-friendly film.

TECH TALK GETTING STARTED WITH THE INTERNET: 10 a.m. Dec. 13. Covers what the internet is and the basic features of browsers, tips for staying safer online and how to get the most out of search engines. Presented by reference librarian Danny Lykansion. Registration required.