The term 'CARD-GAME RULEBOOK' can be summarized by the five-letter word 'HOYLE'. Hoyle is a brand of card game rulebooks that have been published since the 1700s. The books provide rules and strategies for a variety of card games, from classic games like Bridge and Poker to more modern games like Cribbage and Gin Rummy. Hoyle's books are considered the authoritative source on card game rules and are widely used by players around the world.