The Best Science Fiction and Fantasy of the Year is a 2-book series with 2 released primary works first released in 2012 with contributions by Neil Gaiman, Paolo Bacigalupi, Ann Leckie, Kai Ashante Wilson, Kim Stanley Robinson, Caitlín R. Kiernan, Kelly Link, Usman T. Malik, Ian McDonald, Vonda N. McIntyre and 18 others.