Take the Library challenge, and Book On Downtown Throughout June, learn about some of history's most important scientists and inventors, and win prizes with this year's Book On Downtown scavenger hunt. Pick up a scorecard at any CCPL branch library or download a scorecard here, then enter the names of scientists and inventors featured on the Book On Library posters displayed at various businesses in downtown Charleston. Cards must be turned in at a CCPL branch library by June 30. Multiple prizes awarded, with one lucky winner receiving the top prize of $100 provided by the Charleston Friends of the Library. Prizes awarded by random drawing of submitted answer cards with the most correct answers. Winners will be contacted Tuesday, July 8, and winners' names will be posted to the CCPL website by 9 a.m. Wednesday, July 9.