Johnny Cash tribute

Performed by James Garner and the Cash band. $35 at the door, doors and bar open 6:15 p.m., show, 7 to 9 p.m. today, Grass Valley Veterans' Memorial Building, 255 S. Auburn St. (530) 273-5486 or www.DiscoverNevadaCounty.com

Kusun Ensemble

From the rhythm and beat culture of Ghana. $25. Labor Day weekend special offers limited two-for-one tickets; not available online. 8 p.m. today, Center for the Arts, 314 W. Main St., Grass Valley. (530) 274-8384 ext. 14 or www.TheCenterForTheArts.org

Monthly book sale

Thousands of books costing from 25 cents to $3, featuring music, art, science and do-it-yourself. Benefits Nevada County's libraries. Gently used books can be donated at any county library branch or outside Raley's grocery in Grass Valley. 9 a.m. to 3 p.m. today, Doris Foley Historical Library, 211 N. Pine St., Nevada City. (530) 265-1407 or www.FriendsoftheNevadaCountyLibraries.org

Gold Country Kennel Club's Annual Dog Show

More than 1,000 canines representing more than 170 American Kennel Club-recognized breeds will strut at the Nevada County Fairgrounds. Free; parking $7. 8 a.m. today and Sunday, 11228 McCourtney Road, Grass Valley. www.InfoDog.com

Book swap

Trade used books, music, DVDs and recent magazines for others. Free, wheelchair accessible. 1 to 3 p.m. Sunday, Nevada City Seafood warehouse, 1020 Whispering Pines, Grass Valley. (530) 470-0321.

For more Labor Day weekend activities, see Page A3 or visit www.TheUnion.com and check the “Event Calendar” on the home page.