The Writing style is progressively melancholy and depressive with a hint of dark humor and comic relief.
After the first book where Count Olaf looses the children due to being unfit for parenting, and tries to kill one of the three children to steal their fortune. The children go live with their eccentric Reptile obsessed uncle who mysteriously disappears upon the arrival of a suspicious character on the property.
Uncle Monty's house is essentially a giant zoo filled to the brim with reptiles. The children are permitted all of their freedoms and access to Monty's library and other features of his residence. A huge difference from Count Olaf's house