This week's calls to action include the following events and activities. (All are free and open to the public, unless otherwise noted.)

'House of Stone' book discussion

Friends and Foundation of the Rochester Public Library will discuss the book "House of Stone" by former New York Times journalist Anthony Shadid at noon on Tuesday, July 15. The event is part of the FFRPL's Muslim journeys reading and discussion program. Shadid writes about the mix of beauty and tragedy that has engulfed the Middle East as he returns to his former home in Lebanon. The event will be held at 115 South Avenue.

Voter registration events

Rochester for Obama will hold nonpartisan voter registration drives at both Irondequoit public libraries. In anticipation of the upcoming mid-term elections, the group will hold drives on the following Saturdays: July 12, July 19, July 26, August 9, August 16, August 30, September 13, September 20, September 27, and October 4. All of the registrations will be held at the Evans branch, 45 Cooper Street, and at the McGraw branch, 2180 East Ridge Road, from 10 a.m. to 1 p.m. in July and August, and from 10 a.m. to 3 p.m. in September and October.

Nature walk at Ganargua Creek

The Genesee Land Trust will hold a butterfly and nature walk at the Ganargua Creek Meadow Preserve in Macedon from 10 a.m. to noon on Saturday, July 12. Organizers recommend that you bring water and binoculars, and that you wear long pants and suitable footwear. Directions to the creek-side entrance: from Route 31 in Macedon, turn south on Route 36 (Wayneport Road). Turn east on Wilkinson Road. Continue east to the parking area on the right (before the T-intersection with Victor Road).