This will soon change with the release of Under The Dome, his upcoming novel. As of November 10th, 2009, his longest book will be Under The Dome.
It's a long list, he's one of the most published authors. i would suggest that you check out his website for a complete list.
his favorite book is the shining
The theme is of the dark reality behind the facade of everyday life in a small-town community, and how powerful children's minds can be.
Five horror books by King: It The Stand Cell Pet Semetary The ShiningFive non-genre-specific titles: The Green Mile The Girl Who Loved Tom Gordon The Dome Insomnia Hearts in Atlantis
I say yes because maybe there can be books about that.