Dungeons & dragons.

"For use with the fifth edition of Player's handbook, Monster manual, and Dungeon master's guide"--back cover

"The return of Tiamat. The forces of Tiamat, Queen of Evil Dragons, bring war to the Forgotten Realm. Led by the sinister Cult of the Dragon, an army of dragons and foul villains wage a merciless campaign to unleash their draconic god upon the world. Opposing them is a desperate alliance including the heroic Harpers and treacherous Zhentarim. This fragile coalition needs heroes to unite them and find ways to resist the draconic threat. Do you have the courage to stand against the Cult of the Dragon and the threat of Tiamat's immortal tyranny? Tyranny of Dragons combines and refines two action-packed Dungeons & Dragons adventures--Hoard of the Dragon Queen and The Rise of Tiamat--into a single sweeping campaign. It also includes a gallery of concept art providing a behind-the-scenes look at the creation of an epic adventure spotlighting Tiamat, one of the most legendary foes in D&D"--back cover

"A Dungeons & Dragons adventure for characters of levels 1-15"--back cover

12+