Is Daniel Handler the sole author for A Series of Unfortunate Events?
No
Yes
It's co-written
He's the illustrator
Answer
Yes, Daniel Handler is the sole author for A Series of Unfortunate Events. He wrote the books under the pen name Lemony Snicket. The series is about the Baudelaire orphans, who are sent to live with a series of terrible guardians after their parents die in a fire.
Unravel the Prose: The Fascinating World of Daniel Handler