sentences:  Hui illustrated several children story books in collaboration with Kiehl's to raise funds for various Hong Kong organizations.His first book, "Brownie and Sesame" was released in 2004, followed by "Piccolo" in 2005 and "Grandma Long Ears" in 2006.Due to his contributions to the "Shrek" films, Forbes listed Hui in 2010 among 25 notable Chinese-Americans in the business field.