KL Going has stated it was inspired by a mix of punk music, Kurt Cobain biographies, and a rejection letter she received from an editor.

In the process, Troy finds self-confidence and acceptance while realizing he is desperately trying to save Curt's life from drug addiction and abuse.

"[2] Ilene Cooper from Booklist said, "The narrative could have been tighter in places, but this is an impressive debut that offers hope for all kids--dross transmuted into gold.

[5] A film adaptation of Fat Kid Rules the World premiered on March 9, 2012, at SXSW in Austin.

[6][7] It was filmed in 2011,[8] under the direction of Matthew Lillard, with Jacob Wysocki, Matt O'Leary, and Billy Campbell in the cast.