Authors A to Z reading challenge

In 2013, I am taking on a reading challenge that I call "Authors A to Z." During the course of the year, I will read 26 books written by 26 authors, each of whom have last names beginning with a different letter of the alphabet, starting with an author whose last name begins with A and finishing with one whose last name begins with Z. (I'm nervous about finding an author with a last name starting with X. Any suggestions?) Some of them will be authors I know with books already on my TBR pile,...