Böcker av Hyewon Yum

A little girl, self-conscious about her birthmark named Toto, worries her school friend will see her differently when her birthmark is revealed, but is pleasantly surprised by her friend's reaction.

It's a child's first day of kindergarten, but who is worried about all the new people and the different things he'll meet--the child? No! The mother. In a refreshing reversal of roles, the child takes it upon himself to comfort and reassure his mother that everything will be fine, she'll get used to him going to big-kid school, and yes, he is ready for the first day of kindergarten. Utterly charming in its simplicity, Yum playfully uses size and color to reveal emotions of this milestone beginning.Mom, It's My First Day of Kindergarten! is a Kirkus Reviews Best Children's Book of 2012

One of School Library Journal's Best Picture Books of 2011These look-alike twins have always shared everything-their room, their toys, a crib, and, since the day they were born, a blanket. But as they grow into new beds, they need new blankets, too. Now they face a new dilemma: they don't know how not to share.Told from the perspective of two five-year-olds, The Twins' Blanket playfully illuminates squabbles and affection between young siblings. Yum's minimalistic art astutely captures these twins' emotions as they toss, turn, and tug their new and old blankets-and embrace their growing independence.