* A Yorkshire coal mining family struggles with changing economics in John Godber's "Salt of the Earth," the latest production from Ka-Tet Theatre Company. The show opens Friday, July 13, at City Lit Theater, 1020 W. Bryn Mawr Ave., Chicago. (800) 838-3006 or katettheatre.org.
* An Egyptian revolutionary and an American antiquities collector confront a reanimated mummy in "The Mummy and the Revolution," a new political farce from Yussef El Guindi running Friday, July 13, through Sunday, July 15. Stuart Carden (Writers' Theatre) directs Silk Road Rising's staged reading at the Historic Chicago Temple Building, 77 W. Washington St., Chicago. (312) 857-1234, ext. 201, or silkroadrising.org.
* Skokie's Gorilla Tango Theatre, at 7924 Lincoln Ave., hosts several new productions including Amazing Sammo Productions' "The Useless Secret Weapon of Jacob Thompson," a play by Jenna Little about an unhinged inventor whose android creation goes awry. It runs Friday, July 13, to Saturday, July 21. Also on tap is the first show by the Fringe Theater Company titled "The Fifth Wall" by Mandy …