Y. S. Lee photo

Y. S. Lee

Y S Lee was born in Singapore, raised in Vancouver and Toronto, and lived for a spell in England. As she completed her PhD in Victorian literature and culture, she began to research a story about a girl detective in 1850s London. The result was her debut novel, The Agency: A Spy in the House. This won the Canadian Children’s Book Centre’s inaugural John Spray Mystery Award in 2011.

The Agency quartet continues with The Body at the Tower and The Traitor and the Tunnel, both of which were nominated for awards. Ying’s most recent novel, Rivals in the City, is the final book in the Agency series. All four books are published by Candlewick Press (US/Canada) and Walker Books (UK/Australia). The novels have also been translated into French, German, Spanish, Italian, Korean and Turkish.


“-No me lo prometas a mí, Cass. Prométetelo a ti misma.”
Y. S. Lee
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“-¿Me deseas suerte para mi último día?-Si utilizas la cabeza, no la necesitarás.”
Y. S. Lee
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“¿Por qué la modestia nunca es uno de los atributos del héroe?”
Y. S. Lee
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