Amazon has this Dungeons & Dragons Dungeon Master’s Guide (Core Rulebook, D&D Roleplaying Game) for $20.94 (reg. $49.95)!
Even better, use promo code GIFTBOOK18 at checkout to save $5.00 when you spend $20.00 or more on books shipped and sold by Amazon.com. Making this book just $15.94!
Amazon prices may vary and can change in price without notice. If the above item is not available at the listed price, the deal is dead.