The Girl with the Dragon Tattoo is a gripping crime mystery novel written by Swedish author Stieg Larsson. It follows the story of Mikael Blomkvist, a journalist, and Lisbeth Salander, a computer hacker, as they investigate a decades-old disappearance of a wealthy industrialist's niece. This book is filled with suspense, complex characters, and a thrilling plot that will keep you on the edge of your seat.