My DS and I read Lemony Snicket's
A Series of Unfortunate Events last fall/winter and he LOVED them! We were up late many nights reading "ONE MORE CHAPTER!"

The books are dark comedy and full of eccentric characters, sad tales and crazy, mysterious adventures. The main characters are three orphans who get bumped from one strange "family" member to the next by being trailed by the first who was to care for them, a strange, cruel (and funny) character named "Count Olaf" who is a master of disguise. The orphans themselves had wonderful, rich personalities and useful talents. DS connected with all of them in a big way.
There are 13 books in the series and there is supplemental material as well. We were able to find them all through our local library systems... we used the hold system when needed, to get the books in order.
The best,
Em