The man who gave us treasure maps, peg-legged pirates, and Dr. Jekyll's terrifying potion spent most of his life as a frail, bedridden invalid. Born into a family of Scottish lighthouse engineers, Robert Louis Stevenson built literary empires from his mattress instead.

This deep dive peels back the myths to reveal the global wanderer, the fierce political agitator, and the master of human psychology whose reputation 20th-century literary snobs nearly erased. From feverish childhood nightmares to a tropical mountain grave in Samoa, we trace how physical confinement fueled some of the most explosive adventure writing ever produced.

• How his fervently religious nurse Cummy planted the Calvinist seeds of good warring with evil that became the blueprint for Jekyll and Hyde
• His reckless near-fatal journey across the globe to fol ...