Drop by Books Inc in the Castro for a reading with local author Dr. William Lipsky from his book, Gay and Lesbian San Francisco. 7:30pm, 2275 Market St.

Planning a vacation to China? Get tips from Lonely Planet author Carolyn Heller, who's just returned from a two-month trip to Beijing and the surrounding areas. 6:30pm, at the main branch of the San Francisco Public Library.100 Larkin St., SF.

Lady Sovereign vs Jelly Donut, the rematch! The pint-sized British emcee makes another Bay Area appearance at SoMa's supperclub. Maybe this time she'll actually battle Bay Area freestyler Jelly Donut..only one way to find out. 657 Harrison, SF.

Comedy Speakeasy at Annie's Social Club! Happy hour kicks off 4pm and the comedy showcase starts at 6pm. Free admission, 917 Folsom, SF.

Photo from SF360 Film+Club.