Author Zac Unger, of Oakland, poses for a photograph on Feb. 16, 2013. Unger, a firefighter/paramedic for the city of Oakland, has written his second book,
Author Zac Unger, of Oakland, poses for a photograph on Feb. 16, 2013. Unger, a firefighter/paramedic for the city of Oakland, has written his second book, "Never Look a Polar Bear in the Eye." (Anda Chu/Staff)