Liis Sein (1983) is a playwright and children’s author. She graduated from Tallinn University in adult education and has received additional training in playwriting and creative writing. Sein currently works as an administrative assistant at the Estonian Children’s Literature Centre.

She has written three children’s books and won the Knee-High Book Competition in 2019. Sein conveys the world through children’s eyes such that adults also see it as a bigger, brighter, and more lucid place.