Yoon manages to create visual dynamism . . . The simple narrative offers an opportunity for prediction and allows for text-to-self connections.

School Library Journal

Readers will respond to this warm tale of finding love.

Kirkus Reviews on PENGUIN IN LOVE

Yoon's story of an unlikely interspecies friendship is both funny and sweet . . . let's hope that, as the Antarctic Ambassador of Friendship, Penguin, too, shall return in more adventures.

Horn Book on PENGUIN ON VACATION

Yoon's cute, boldly lined characters and graphic compositions tell the story in a series of spots, full-page images, and thought bubbles. This picture book, like many before it, proves that love comes in many forms.

Booklist on PENGUIN AND PINECONE

Crisp illustrations that capture a genuinely loving heart . . . a strong if whimsical choice for those separated from loved ones.

Kirkus Reviews on PENGUIN AND PINECONE

This comforting story successfully addresses the common fear of storms for a young audience… This storm's impact has no lasting power against a family's love.

School Library Journal on STORMY NIGHT