He was U.S. nominee for the Hans Christian Andersen Award in 2006 .
Nominee won the Laura Ingalls Wilder Award for nominee 's contribution U.S. American children 's literature in 2009 .
He was U.S. nominee for the Hans Christian Andersen Award in 2006 and he won the Laura Ingalls Wilder Award for his contribution to American children 's literature in 2009 .