Original sentence: Campbell Award for Best New Writer, he has also been nominated twice for the Sidewise Award for Best Alternate History Short Form, which he won in 2004 with his story "O One"
Edited sentence: Campbell Award for Best New Writer.He has also been nominated twice for the Sidewise Award for Best Alternate History Short Form, which he won in 2004 with his story "O One".Hw won the Sidewise Award for Best Alternate History Short Form in 2009 for The Dragon's Nine Sons