For the 30th year, Charleston Friends of the Library present That BIG Book Sale. This year the sale will take place in the Omar Shrine Auditorium. Over 60,000 books, DVDs, CDs, books on CDs and tapes, VHS, sheet music, and maps will be on sale to the public. Prices start at just 50 cents, and most items will be half-off on Sunday. The event will also feature a rare book auction. Omar Shrine Auditorium, 176 Patriots Point Rd., Mount Pleasant. Friday, 9am-7pm; Saturday, 9am-5pm; Sunday, 10am-3pm. Free. (843)805-6882, www.charlestonlibraryfriends.org