Going Out

In concert

Soulfly with Ill Nino, Twelve Tribes and Crisis perform 7:30 p.m. today, Bogart's, 2621 Vine St., Corryville. $19, $17.50 advance. 562-4949.

Book signings

• Dr. John Mark Roberts signs and discusses Carrington House at 7 p.m. today, Joseph-Beth Booksellers, 2692 Madison Road, Norwood. Free. 396-8960.

• William Souder signs and discusses Under a Wild Sky: John James Audubon and the Making of The Birds of America, 7:30 p.m. today, Cincinnati Museum Center Reakirt Auditorium, 1301 Western Ave., Queensgate. Free. 287-7000.

Final days

Science of SuperCroc continues through Monday. Exhibit showcases planet's largest crocodile. 10 a.m.-5 p.m. today, Cincinnati Museum Center, 1301 Western Ave., Queensgate. $6.75, $5.75 seniors, $4.75 children 3-12, under 2 free. 287-7000.

Looking Ahead

24 hours out

Filmmaker Lee Zellars debuts Nattyville, 7, 9, 11 p.m. Friday through Sunday. Two friends whose lives are linked by troubled pasts. Mature audiences. Greenwich, 2440 Gilbert Ave., Walnut Hills. $7. 221-1151.

48 hours out

The Urban Challenge comes to the Tristate at 8:30 a.m. Saturday. Two-person teams race to find 12 unmarked locations throughout the area. Registration begins 7 a.m. Benefits Big Brothers Big Sisters. Jillian's, 1200 Jillian's Way, Covington. $75 per person. (908) 370-6800.

— Rob Bucher