A week of events in Cambridge and Somerville: Somergloom, a Byrd attack and ‘Reefer Madness!’

Thursday, Aug. 7

Shir Livne via social media

Shir Livne performs “Mom,” an absurdist circus show about motherhood, Aug. 6-8 in Somerville.

Cambridge Book Bike from 11:30 a.m. to 12:30 p.m. at Anthony Costa Park , 71 Charles St., Cambridge. Free. The Book Bike visits 10 parks over the summer to give away books and run activities for Cambridge children of all ages with the city’s Summer Food program.

Summer Concert Series: Valerio Apuzzo from 5:30 to 6:30 p.m. at Palmer and John F. Kennedy streets , Harvard Square, Cambridge. Free. The trumpet player, composer and educator from Rome has collaborated with artists such as Miguel Zenón, Ron Carter and Joe Lovano. His musical work ranges from contemporary jazz to creative improvisation. Co-sponsored by Club Passim and the Berk