HARVARD — Check out what’s new at Harvard Public Library:

An additional date for the Friends of the Harvard Public Library’s book sale has been added. It is May 31, from 9 a.m. to 2 p.m., at the old library on Fairbank Street.

Children’s programs

Tuesdays, 10:30 a.m., Infant Storytime for children aged 0 to 2. This 20-minute program of stories, songs and fingerplays. You do not need to sign up.

Mondays, 10:30 a.m., Toddler Storytime for children aged 2 to 3. Half-hour of stories, songs and fingerplays. No sign up.

Thursdays, 10 a.m., Preschool Storytime for children aged 4 to 7. Half-hour of quiet and interactive stories and fingerplays with occasional crafts and special appearances from the library’s puppets. No sign up.

Saturdays, 11 a.m., Storytimes for children aged 3 to 7. Teen volunteers lead these fun, drop-in, half-hour storytimes. No sign up.

May 27, Bagels’n’Books Group for sixth-graders; 4 to 4:45 p.m. The book is “The Falconer’s Malteser: A Diamond Brothers Mystery,” by Anthony Horowitz. Snacks will be offered. Members should read all of the book prior to the meeting. Preregister and we’ll request a copy of the book for you.

June 19, 6:30 p.m., Family Movie Night for all ages: “The Spiderwick Chronicles.” Celebrate the beginning of summer vacation with Family Movie Night. Popcorn and water will be served. Preregister by calling the Children’s Room at (978) 456-2381.

June 24, 3 p.m., Ice Cream Social Summer Reading Kickoff. Come make your own yummy sundaes, socialize with friends, and enjoy fun activities like face painting, paper-airplane making (and perhaps a distance contest), sidewalk chalk art and bubble blowing. There are two rain dates: June 25 and 26. Preregister so the library can provide enough sweet treats for all and notify you if the use of a rain date is expected.

June 26, 7 p.m., Thursday Night at the Movies for ages 13 and older: “Indiana Jones and the Last Crusade.” For information call (978) 456-4114.

Adult programs

The Brown Bag Book Club

The Brown Bag Book Club is held on the third Wednesday of every month at noon. The next meeting will be May 21 in the Elizabeth Turner Room — the anteroom to Volunteers Hall — to discuss “The Island at the Center of the World: The Epic Story of Dutch Manhattan and the Forgotten Colony that Shaped America,” by Russell Shorto. Bring a lunch, and the coffee is on us. Drop-ins are welcome.