Oakland Save-A-Life Saturday. Free Save-A-Life Saturday from the American Red Cross features life-saving skills to better prepare people for emergencies, including care for choking victims, noncertified hands-only CPR and information on how to stay safe during emergencies. Attendees receive a free emergency kit. 9 a.m. to 3 p.m. April 6. Acts Full Gospel Church, 1034 66th Ave., Oakland. Free. Registration required. 510-907-9741, redcrossbayarea.org.

Find Your Family: Intro to Genealogy. Trace your family history at the California Genealogical Society and Library's free Introduction to Genealogy Class. 1 to 3 p.m. April 6. California Genealogical Society and Library, 2201 Broadway, Oakland. Free. Registration requested. 510-663-1358, tinyurl.com/BeginApr2013Reg.

Friends of Oakland Library Book Sale. Friends of the Oakland Public Library's Bookmark Bookstore hosts its spring book sale, with a progressive 30-50 percent off during the sale. Most titles priced between $2-$6. Proceeds benefit the Oakland Public Library. 10:30 a.m. to 5:30 p.m. Through April 7. Bookmark Bookstore, 721 Washington St., Oakland. Varies. 510-444-0473, www.bookmarkbookstore.org.

Free Family Cycling Workshop. The East Bay Bicycle Coalition Safe's League Certified safety instructors lead a day of fun games, safety drills, skills building, and a neighborhood ride. For kids who can ride a bike on the roadways with their parents. Parents and kids must attend together and should bring their own bikes and helmets. Each child receives a free red blinking light for participating. 1 to 4:30 p.m. April 7. Chabot Elementary School, 6686 Chabot Road, Oakland. Free. 510-845-7433, www.ebbc.org.


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The Necessity of Adventure. Award winning author and recovering raft guide Jo Deurbrouck shares what she's learned from wild water, a river slideshow and stories from her new book, "Anything Worth Doing." 6:30 p.m. April 10. California Canoe and Kayak, 409 Water St., Oakland. Free. 510-893-7833, www.anythingworthdoing.com.

Earth Day Restoration and Cleanup. Volunteers are needed at Redwood Regional Park for the 16th Annual California State Parks Foundation's Earth Day Restoration & Cleanup presented by Pacific Gas and Electric Company. Picnic area and trail improvements and trash cleanup are just some of the projects planned. 9 a.m. to 12:30 p.m. April 13. Redwood Regional Park, 7867 Redwood Road, Oakland. Free. Register at 888-987-2757, www.calparks.org/earthday.

Earth Day 2013 -- Party for the Planet. In celebration of Earth Day, the Oakland Zoo offers 50 earth stations and demonstrations that all offer hands-on fun and educational adventures and more. Plus, recycle an old cell phone and receive a free train ride. 10 a.m. to 3 p.m. April 13. Oakland Zoo, 9777 Golf Links Road, Oakland. 510-632-9525 ext. 122, www.oaklandzoo.org.