This week's theme, borrowed from the City of Oakland Department of Parks, Recreation, and Youth Development: Superheroes Unleashed. At the library this week: Not just super but FABULOUS: Drag Queen Story Hour with Per Sia (@Main Library, Monday 11:00) Super HELPFUL: Fix-It Clinics for bikes, cell phones, and household appliances (@Elmhurst, King, Temescal, and 81st…