Dennis Lehane at Bestsellers Tonight

Today is Tuesday, May 21. Here are five things you need to know.

1.) Author Dennis Lehane, known for such novels as “Mystic River,” “Gone, Baby, Gone,” and “Shutter Island,” will be at Bestsellers Cafe at 7 p.m. tonight. Read more.

2.) A $1.2 million bond, which would go toward reconstructing or replacing, Medford High School’s swimming pool will go before City Council tonight, according to the agenda. Read more.

3.) Check out Patch’s 2013 Summer Reading List.

4.) Have something to say? Start a blog on Medford Patch.

5.) Today should be mostly cloudy with a high near 66 – however, there is a chance of showers after 11 a.m., according to the National Weather Service.