Tucson Letter Writers Club - Mostly Books, 6208 E. Speedway. Write letters to friends like the old days. The club supplies everything but the stamps. 7-8 p.m. Thursdays. Free. 571-0110.
"Color Play" Art Exhibition - Desert Artisans' Gallery, 6536 E. Tanque Verde Road. New works by Gail Brynildsen, Pamela Howe, Susan Meyer, Terry Slonaker, Jan Thompson and Alexandria Winslow. 10 a.m.-5 p.m. Mondays-Saturdays; 10 a.m.-1:30 p.m. Sundays. Free. 722-4412.
Book Signing With Jim Fostino - Mostly Books, 6208 E. Speedway. The author will sign his science fiction book "The Eleventh Universe." 1-2 p.m. June 8. Free. 571-0110.
Arizona Symphonic Winds "Music in the Park" - Udall Park, 7200 E. Tanque Verde Road. Bring a lawn chair or a blanket and a picnic. 7-9 p.m. June 8. Free. 721-2068.
The Changing Cactus Forest - Saguaro National Park East, 3693 S. Old Spanish Trail. Join us in the visitor center auditorium to see the changes that have come to the Cactus Forest in the 80 years of the park and to consider what the next 80 years will look like. Wheelchair-accessible. 11 a.m. Saturdays; 3 p.m. Sundays. Free; $10 park entrance per vehicle. 733-5153.
All About Saguaros - Saguaro National Park East, 3693 S. Old Spanish Trail. Join a park naturalist in the visitor center lobby to delve into the life of a saguaro cactus. Wheelchair-accessible. 10 a.m. Mondays. Free; $10 park entrance per vehicle. 733-5153.
A Taste of the Desert - Saguaro National Park East, 3693 S. Old Spanish Trail. Stroll through the Cactus Garden to explore the many ways people use desert plants for food, clothing, shelter and medicine. 10 a.m. Tuesdays. Free; $10 park entrance per vehicle. 733-5153.
Tap Dancing for Everyone - Atria Bell Court Gardens, 6653 E. Carondelet Drive. Class 327. Improve your coordination and learn the history of America's only original contribution to the art of dance. For those 50 and older. 2:15 p.m. Wednesdays through June 26. $38 and a one-time registration of $12 per semester. 322-5607.
Go to dailystarcalendar.com for more calendar listings and to submit an event at least three weeks in advance.