Here are the latest Back Bay - Midtown neighborhood notes:

Book sale

The Boston Public Library, 700 Boylston St., will host a used book sale from 10 a.m. to 4 p.m. on Saturday, Aug. 5.

The library will offer a great variety of gently used adult and juvenile books, audio-visual, DVDs and more at low prices. Proceeds will benefit the community programming of the library.

For more details, call 617-536-5400.

Film festival

Magic 106.7 is hosting a family film festival at sundown on Saturdays at the Prudential Center, 800 Boylston St.

Entertainment, children’s activities and giveaways will begin at 6 p.m.

The movies will include Disney’s new release “Moana” on Aug. 5; the animated classic “The Little Mermaid” on Aug. 12; the blockbuster live action film “Beauty and the Beast” on Aug. 19 and the animated “Secret Life of Pets” on Aug. 26.

Picnic baskets and blankets are welcome.

Visit www.prudentialcenter.com for more details.

Introduction to genealogy

The New England Historical Genealogical Society, 99-101 Newbury St., will host a new visitor tour at 10 a.m. on Saturday, Aug. 5.

Attendees will learn about the resources available at the research facility as they tour the building and meet the expert staff. The NEHGS is the largest and oldest genealogy library and archive in the country, with more than 15 million artifacts, records, books, manuscripts, photographs and more. Attendees are welcome to use any of the resources after the tour. Registration is not required.

Visit www.americanancestors.org or call 617-536-5740 for more information.

Collections tour

The Massachusetts Historical Society, 1154 Boylston St., will host tours of the collections of the society at 10 a.m. on Saturdays during August.

Led by an MHS staff member or docent, the 90-minute tour focuses on the history and collections of the MHS.

The tour is free and open to the public. Reservations are not required for individuals or small groups. Parties of eight or more should contact the MHS.

Further information can be found at www.masshist.org or by calling 617-646-0560.

Summer sings

The annual Chorus Pro Musica Summer Sings series will be held from 7 to 10 p.m. on Monday, Aug. 7, 14, 21 and 28 at the Old South Church, 645 Boylston St.

Participants will spend the first half of the evening rehearsing and then perform with Chorus Pro Musica’s soloists with piano accompaniment. The program will include Mozart’s “Requiem.” Experience is not necessary.

Refreshments will be served. Admission is $10 at the door with discounts for seniors and students and those who would just like to listen to the rehearsals and performance.

Call 617-536-1970 or visit www.oldsouth.org for further information.

Concerts in the courtyard

The Berklee College of Music will present free outdoor concerts in the courtyard at 6 p.m. on Wednesday, Aug. 9 and at 12:30 p.m. on Friday, Aug. 11 in the McKim courtyard at the Boston Public Library, 700 Boylston St.

Wednesday’s concert will feature Boston-based indie pop duo Sleeping Lion, featuring Nate Flaks and Noah Longworth McGuire.

Members of the Boston Philharmonic Orchestra will perform chamber and quartet music on Friday.

Call 617-536-5400 or visit www.bpl.org for more information.

Kenyan safari

Anna Fahey-Flynn and Meg Weeks will be the guest speakers at the Boston Public Library, 700 Boylston St., from 2 to 3 p.m. on Thursday, Aug. 10.

Fahey-Flynn and Weeks will share their adventure to Kenya, including a safari in the Maasai Mara and a visit to an elephant orphanage.

Admission is free. For further information, call 617-536-5400.

Folk dancing at the fountain

The Folk Arts Center of New England and ParkARTS will host folk dancing by the fountain in Copley Square from 7:30 to 9:30 p.m. on Tuesday, Aug. 8.

Participants will have the opportunity to learn New England contra dancing, led by Nils Fredland with music by Cosmic Echo.

Visit www.facone.org or call 781-438-4387 for more information.

Victorian Back Bay

Boston by Foot is offering 90-minute guided, walking tours of the Back Bay at 2 p.m. on Fridays and Saturdays and 10 a.m. on Sundays, now to October. Walkers will meet the guide on the steps of Trinity Church at Copley Square.

Visitors will discover how the Back Bay, once a body of water, was filled in and how the neighborhood was developed in the mid-19th century to become one of the nation’s richest collections of art and architecture. The treasures of the Back Bay tour include Trinity Church, the Boston Public Library, Old South Church and the grand Back Bay townhouses.

Tickets are $13 adults, $8 children, ages 6 to 12, and free for members if purchased in advance or an additional $2 if purchased from the guide.

For more information, visit www.bostonbyfoot.org or call 617-237-2345.

Library tours

Boston Public Library volunteers will give art and architecture tours of the McKim Building, a National Historic Landmark, in its main building, constructed in 1895, throughout the week.

Highlights include the murals of John Singer Sargent, Pierre Puvis de Chavannes and Edwin Austin Abbey and the work of architect Charles Follen McKim.

Self-guided tours are available as well, and literature describing the architectural highlights is available on the web at www.bpl.org/central/tours.htm.

For tours by appointment, call 617-536-5400.