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When you say Small Press Expo, link the first two words together—it’s an expo for small presses, not just a diminutive expo. But it’s grown markedly over the years. SPX (as it’s lovingly known) is a convention set up two decades ago to highlight independent, alternative, and minicomic publishers and creators. This year’s edition may be the hugest yet, with scheduled appearances from Jeff “Bone” Smith, whose graphic novel series “Bone” became a breakthrough for the tween crowd; the feminist New Yorker cartoonist Liza Donnelly (shown); Israel’s Rutu Modan, whose new book The Property depicts an elderly Jewish woman’s return to Warsaw; Canada’s dapper man-out-of-time Seth; and even civil rights icon and Georgia congressman John Lewis, who co-authored the autobiographical graphic novel March. What’s better, entry to the expo probably won’t cost more than the Metro ride there and back.

The expo runs 11 a.m. to 7 p.m. Saturday and noon to 6 p.m. Sunday at the Bethesda North Marriott Hotel and Conference Center, 5701 Marinelli Road, North Bethesda. $10-15. spxpo.com.