“Harvey” - Meet eccentric Elwood P. Dowd and his six-foot tall imaginary friend, a rabbit named Harvey. A production of Central Valley High School; 7:30 p.m., Central Valley High School, 821 S. Sullivan Road. $7. (509) 228-5218.
Second Annual Spring Sample Celebration - Come enjoy free tastes of the Northwest with your friends, featuring Big Bear Chocolates, Grandma Rubin’s Peppernut cookies, Dorothy’s Huckleberry Lemonade and more; 10 a.m.-3:30 p.m., Simply Northwest, 11806 E. Sprague Ave. Free. (509) 927-8206.
Author signing – Mark Sullivan will sign copies of his new book, “Triple Cross”; 1 p.m., Barnes & Noble, 15310 E. Indiana. (509) 922-4104.
Inland Northwest (WA/ID) FIRST Robotics Exhibition - Kids and families, teachers and educators are invited to see how FIRST (For Inspiration and Recognition of Science and Technology) Robotics programs inspire and challenge students to meet science and technology challenges, develop teamwork, practice professionalism, and have fun doing it. 10:30 a.m.-2 p.m., West Valley High School, 8301 E. Buckeye Ave. Free. (509) 448-2291.
Liberty Lake Farmers Market - Saturdays, 9 a.m.-1 p.m., through Oct. 17. Liberty Square Building parking lot, 1421 N. Meadowwood Lane, Liberty Lake. (509) 879-4965.
Saturday Night Bluegrass Thang - Presented by the Inland Northwest Bluegrass Association; 7 p.m., University High, 12420 E. 32nd Ave. $5, free/children age 14 and younger accompanied by an adult. (509) 466-7018.
“Smoke Signals” - Watch the movie based on the book by Native American author Sherman Alexie. The program is offered in conjunction with a May 20 appearance by Alexie. Recommended for teens and adults only. Free popcorn; 10:30 a.m.-12:30 p.m., Liberty Lake Library, 23123 E. Mission. (509) 232-2510.
Super Pet Adoption Festival - Hosted by SCRAPS, Spokane Humane Society, Spokanimal, Pet Savers, and many area rescue groups. Goal is to adopt out over 150 homeless pets in just one weekend. Saturday, 10 a.m.-6 p.m., and Sunday, 10 a.m.-4 p.m. Aslin-Finch parking lot, across from Costco on East Sprague, Spokane Valley. (509) 477-2532.
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