Five things you need to know today, and summer reading deals for you

Good morning, friends. RIP, Kelly Preston. Here are the five things you need to know to get your workday started, and a couple of summer-reading book-buying deals you don't want to miss. Boston Phase 3 kicks off today One week after the state began its Phase 3 economic reopening, the city of Boston today moves into the third phase of its reopening plan, one week after museums, gyms and movie theaters opened in the rest of Massachusetts. Somerville officials said Friday that they will delay that…