* Sean Astin
The most famous hobbit to ever grace the silver screen blows through town to share and sign There and Back Again: An Actor's Tale. Bagdad Theatre, 3702 SE Hawthorne Blvd., 7 pm, doors at 6 pm, free

FRIDAY 12/10

* Tracker with Craig Thompson
Very cool. The good band Tracker has created an entire album inspired by Thompson's awe-inspiring graphic novel Blankets. Tonight Tracker plays the album, while Thompson draws onstage, letting his pen move to the music. Nocturnal, 1800 E Burnside, 239-5900, 8 pm, $8

* The Perpetual Motion Roadshow
The sort-of-monthly Perpetual Motion Roadshow rears again with the quirky and lovable Vladimir, who creates handmade viewmaster style reels called "Vladmasters." Reading Frenzy, 921 SW Oak, 274-1449, 7 pm, pay what you can

SUNDAY 12/12

* Lisa Radon & Doug Nufer
Two rad poets, Lisa Radon, a performance poet, and Nufer, an extremely clever wordsmith who also penned the novel Negativeland. Mountain Writers Center, 3624 SE Milwaukie, 236-4854, 7:30 pm, $5 donation


* The Superhero Book
See My! What A Busy Week!, Page XX. Powell's City of Books, 1005 W Burnside St., 228-4651, 7:30 pm