Looking for something different to do today? Check out these suggestions.
AUTHOR VISITS Chris Grabenstein, author of the Haunted Mystery series, signs autographs and answers questions about his career as a middle-grades novelist, improv actor and writer for television at 6:30 p.m. at the Northgate Branch of the Chattanooga Public Library in Hixson. Suitable for grades 3 and up. 757-5314.
BASEBALL Chattanooga Lookouts vs. Montgomery Biscuits at 7:15 p.m. at AT&T Field, 201 Power Alley. Promotion: Finish a Winner Faith & Family Night. General admission, $5 and $3; box seats, $9 and $6. 267-4849, www.lookouts.com.
ROCK CONCERT Coheed & Cambria, featuring Moving Mountains and Pianos Become the Teeth, at 8 p.m. Tickets $27 at the door, plus $3 fee for ages 18-20. 266-4323, www.track2.co.
ORGAN CONCERT Chattanooga Music Club features Dr. Robert Delcamp on Austin pipe organ and the musicians of the SCO Youth Orchestras' Symphony Orchestra in concert at 7 p.m. at Memorial Auditorium, 399 McCallie Ave. Free but donations accepted for organ maintenance.