The lowdown on events happening in Portland
Grand opening celebration, public park sponsored by the Brentwood-Darlington Neighborhood Association and Portland Parks and Recreation, 5 p.m. to dusk, Hazeltine Park, 5300 S.E. Flavel Drive. Call 503-327-4674.
Fall book sale, sponsored by Friends of the Multnomah County Library, 6 p.m. to 9 p.m., continues 11 a.m. to 5 p.m. Saturday, 9 a.m. to 3 p.m. Sunday, 1635 N.E. Sandy Blvd. Call 503-224-9176, or visit www.friends-library.org.
Fall bird festival, learn about a variety of pet birds from 23 breeders, 10 a.m. to 4 p.m., Quality Cage Co., 5942 S.E. 111th Ave. Call 503-762-2607, or visit www.birdfest.net.
A Mount Tabor Meander, geologist Bruce Freiter leads exploration of past volcanic activity for children under 16, 11 a.m. to 12:30 p.m., meet at Harvey Scott statue (top of Mount Tabor), $10. To register, call 503-253-4964.
Problem Pooch, question and answer forum on dog behavior, 11 a.m. to 1 p.m., Oregon Humane Society, 1067 N.E. Columbia Blvd., $10 donation. Call 503-285-7722, or visit www.oregonhumane.org.
Family history forum, 1:30 p.m. to 4:30 p.m., DoubleTree Lloyd Center Exhibit Hall, 1000 N.E. Multnomah St. Call 1-360-864-6938.
Instruments of Peace Concert, words from peacemakers and ensemble performance, 2 p.m. to 3:30 p.m., Central Lutheran Church, 1820 N.E. 21st Ave. Call 503-284-2331.
Night Owl Record Show, buy, sell and trade records, 5 p.m. to 9 p.m., Eagles Aerie, 4904 S.E. Hawthorne Blvd., $1 at door, $15 early entry at 3 p.m. Visit www.nightowlrecordshow.com
Wygant Trail hike, 9 a.m. to 4 p.m., meet at Gateway Park and Ride Transit Garage, Exit 7 off Interstate 84 East. Call 503-241-3762, ext. 106 for directions.
'Reconsidering Schooling in the 21st Century,' PSU assistant professor Scott Nine talks, 9:30 a.m. to 11 a.m., Friendly House, 1737 N.W. 26th Ave. Call 503-228-4391.
Centennial Community Association, agenda includes discussion of Graffiti Abatement Program, 7 p.m., Harold Oliver Intermediate School, 15840 S.E. Taylor St., Room 65. Call 503-823-4550.
Native and edible plant sale, sponsored by Portland-based nonprofit Livable Place, 9 a.m. to 3 p.m., Livingscape Nursery, 3926 N. Vancouver Ave., pre-order deadline is Oct. 12, visit www.livableplace.org. Call 503-248-0104.
Oktoberfest Celebration, German fare and music, 1 p.m. to 2:30 p.m. Oct. 13, Holladay Park Plaza, 1300 N.E. 16th Ave., reservations recommended. Call 503-280-2216 or visit www.retirement.org/hpp/.
How to Research the History of Your House, 10 a.m. to noon Oct. 14, Architectural Heritage Center, 701 S.E. Grand Ave., $15 general public, $10 members, preregistration suggested. Call 503-231-7264, or visit www.visitahc.org.
Events are free unless otherwise noted. See Page A2 for information on how to notify the Tribune about events.