1. Fridays

Reptile Ramble — Tohono Chul Park, 7366 N. Paseo del Norte. Learn about the Sonoran Desert’s scaled and slithery creatures from snakes and lizards to tortoises and turtles. 10 a.m. Fridays. Included with admission. 742-6455.

2. Saturday

Marana Concert Series — Crossroads at Silverbell Park, 7548 N. Silverbell Road. Aug. 2: Larry Redhouse. Free. 797-3959.

3. Tuesday

Abbett Mystery Book Club — Wheeler Taft Abbett Sr. Library, 7800 N. Schisler Drive. 2-3 p.m. First Tuesday of the month. Free. 594-5200.