David Levithan is a well-known and respected American author, particularly in the young adult fiction genre. He has written numerous acclaimed novels, including:
* "Boy Meets Boy" (2003)
* "Will Grayson, Will Grayson" (2010, co-written with John Green)
* "The Lover's Dictionary" (2011)
* "Every Day" (2012)
"SOR Losers" is a collection of Levithan's short stories, many of which explore themes of identity, loss, and love.
If you have more information about the specific "SOR Losers" book you are interested in, please provide it and I can try to be more specific with my answer.