By Victoria Dalkey, The Sacramento Bee art correspondent

Martha Shaw.

"Cross-Contamination" is the title of a husband-and-wife show by Richard and Martha Shaw. Richard Shaw's fool-the-eye clay sculptures of stacks of books and cards meet Martha Shaw's concrete sculptures of common objects in a show that explores the influences they have on each other. At b. sakata garo, 923 20th St. (916) 447-4276.