1) Rachel L. Swarns: While Michelle Obama is not expected to attend the Baltimore Book Festival, author Rachel L. Swarns will be meeting fans at 2 p.m. Saturday at the Bank of America Literary Salon, where she'll be happy to discuss her book, "American Tapestry: The Story of the Black, White, and Multiracial Ancestors of Michelle Obama." Fans can learn about the first lady's family's Baltimore roots.
2) Emily Giffin: Baltimore-born author Emily Giffin ("Something Borrowed"), a giant of the chick-lit scene and the first author in the new Web-based Baltimore Sun Book Club (facebook.com/readstreet), will be appearing at the Bank of America Literary Salon at noon Saturday.
3) Science Fiction and Fantasy Writers of America: The SFFWA will have a tent at the festival all weekend, offering author appearances, book signings, readings, panel discussions and perhaps a dragon or two.
4) I'm Board: Crosswords at Bookfest: Play crossword-style games on a giant board set up in South Mount Vernon Park.
5) 50 Fest: The jewel in Baltimore's theatrical crown, Center Stage, begins its 50th anniversary season with events celebrating the literary arts in their theatrical forms. The schedule includes the world premiere of "My America," a collection of 50 monologues from some of the country's most successful playwrights (7 p.m. today, $75); "From Page to Stage," a free street festival running the same hours as the book festival; and Saturday's Backstage@Center Stage, a free daylong open house. Information: centerstage.org.