US reviews of the Penguin series: A sweet, visually striking story of friendship and acceptance.

starred review, Booklist on BE A FRIEND

A launchpad for discussions of individuality . . . A delightful story about the celebration of individuality and friendship.

Kirkus Reviews on BE A FRIEND

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

School Library Journal on PENGUIN'S BIG ADVENTURE

The lovable Penguin's chunky persona exudes expressive emotion.

Booklist on PENGUIN'S BIG ADVENTURE

Readers will respond to this warm tale of finding love.

Kirkus Reviews on PENGUIN IN LOVE

A thoughtful, flawlessly executed exploration of theory of mind and emotional intelligence.

starred review, Publishers Weekly on FOUND