What are your comfort books? The books that you go to when you just want to curl up with something well-known and well-loved.
What do you binge-read? What genres or authors do you just read and read and read in a lump?
A Little Princess and the Anne of Green Gables series, as well as the original Winnie the Pooh.
I've been on a Harry Potter and a Discworld binge lately. Every once in awhile, I'll go on a Mary Higgens Clark binge, as well.