Uzumaki (うずまき?, lit. Spiral) is a horror manga written and Illustrated by Junji Ito, and serialized in Shogakukan's Big Comic Spirits.
The story concerns the inhabitants of the small Japanese town of Kurôzu-cho as they become obsessed by the occurrences of natural and artificial spirals around them. The result of this obsession is a slow transformation into something other than human, leading to a gruesome, realistically-depicted death.
The manga was published in English by Viz Communications in 2002 and rereleased with new covers in 2007. It was adapted to a feature film of the same name in 2000.
Volume I pdf format with bookmarks.