Besides being read, books serve all sorts of important functions, such as opening bookcases to reveal hidden passageways and opening themselves to reveal flask-shaped pockets within the pages. Discover how literature can restore your spirits with today's Groupon: for $10, you get $20 worth of gently used books and merchandise at 2nd & Charles.

Utilizing a streamlined buy-and-sell process, 2nd & Charles gives fresh life to used media and digital media players in the hands of eager new owners. Customers can browse the ever-rotating inventory of previously loved items and whisper reassurances of a loving home into the bindings of hard-to-find books. The market for unemployed pastimes extends to include e-readers, iPods, and iPads, as well as CDs, DVDs, vinyl records, and video games, each assigned a price point based on condition, current inventory, and what percentage of major characters are shameless, shirtless vampires. Selection will differ from day to day, and most items cost less than $10.