The Mad King by Edgar Rice Burroughs is a thrilling adventure blending action, mistaken identity, and romance. Set in the fictional European kingdom of Lutha, the story follows Barney Custer, an American gentleman who bears a striking resemblance to the kingdom's eccentric and imprisoned ruler, King Leopold. When Leopold is assassinated, Barney is thrust into the role of monarch to preserve the throne. Amid political intrigue, daring escapes, and swordfights, Barney must navigate court conspiracies, win the love of Princess Emma, and defend Lutha from enemies. A swashbuckling tale of honor, courage, and destiny, The Mad King showcases Burroughs' flair for fast-paced, imaginative storytelling.