Pham's long list of illustrative credits incudes the New York Times best-selling picture book series Freckleface Strawberry by Julianne Moore; Kelly DiPucchio's picture book Grace for President; Shannon and Dean Hale's middle grade series, Princess in Black; God's Dream by Archbishop Desmond Tutu; Twenty-One Elephants by Phil Bildner; the Vampirina Ballerina picture book series by Anne Marie Pace; and The Boy Who Loved Math by Deborah Heiligman.