Part of the 3M Bookshelf Series.From the back of the box:EVENTS is the exciting, memory-jogging game of historic happenings where skillful questioning leads to the identity of history-making incidents and occurrences. As Historian, you pick the event and provide the identifying clues - in other turns, identify events from the fewest clues to score the most points! Ever-changing, ever-challenging fun for history buffs and gamesters alike, 4 to 8 players, teens and adults. Bookshelf case contains colorful world map, locale indicator, record sheets and Events Playbook with complete rules plus handy reference section listing over 300 historic happenings. - BoardGameGeek