The weekend of Oct. 22-23 will be busy for Cobb County Public Library with a fall One Book, One City author event, music and dance concert, Pumpkin Challenge, plants and landscape workshop, and library teams will greet the public at special events at parks across the community.

The weekend lineup includes:

The Powder Springs community’s One Book, One City: Tween Challenge author event and book signing featuring award-winning author Reem Faruqi is 11 am Saturday at Thurman Springs Park’s Hardy Family Automotive Amphitheater, 4485 Pineview Drive, Powder Springs. The book selection is Unsettled, a story of Nurah as she strives to adapt to change in a new world following her family’s move from Karachi, Pakistan, to Peachtree City. The event is part of the city’s Fall Festival Trunk-or-Treat, 10 am to noon. One Book, One City is a joint venture of the City of Powder Springs, the local Book Worm Bookstore and Powder Springs Public Library. 770-439-3600

Electronic Dance Music Concert featuring Phantasm begins 5 pm Saturday at Sewell Mill Library, 2051 Lower Roswell Road, Marietta 30068. The library’s in-house DJ will play his original music for the free family-friendly, all ages event. 770-509-2711

The UGA Extension Cobb County will present a free Fall is for Planning and Planting program 11 am Saturday at North Cobb Regional Library, 3535 Old 41 Highway, Kennesaw 30144. 770-801-5320

The Exploring Virtual Reality demonstration featuring a complete set of VR for patrons to try out will be 1 pm to 4 pm at Vinings Library, 4290 Paces Ferry Road, Atlanta 30339. 770-801-5330

The Saturday Walk-In Movie for Teens starts at noon at Switzer Library, 266 Roswell St., Marietta 30060. 770-528-2320

A busy Saturday is planned for the Cobb Library Bookmobile team at Cobb Safety Village's Truck A Palooza event from 10 am to 3 pm in the Town Center at Cobb Mall, 390 Ernest W Barrett Pkwy NW, Kennesaw 30144. Admission is $5 per person; $20 per family (up to six family members.) Children under 2 years are free. All proceeds benefit the Cobb County Safety Village. cobbcounty.org/safetyvillage

The Cobb Library Bookmobile team will also appear at the drive-thru Cobb County PARKS Fall Festival of Fun, 6 pm to 10 pm Saturday, at Jim R. Miller Park and Event Center, 2245 Callaway Road, Marietta 30008. Details about the festival are at cobbcounty.org/parks.

Entries of pumpkins decorated as book characters for the Second Annual Switzer Pumpkin Challenge will be accepted anytime between now and Oct. 24 by Switzer Library Children’s Department in downtown Marietta. 770-528-2331

Sunday hours for the Switzer, West Cobb, South Cobb and Mountain View libraries are 1 pm to 5 pm.