Joana Estrela is an illustrator and author living in Porto, Portugal. She studied Communication Design in Porto's Fine Art Faculty, and still lives and works next door to the school. In 2014, Plana published her first book: a graphic novel called Propaganda. In 2016, Planeta Tangerina published Mana, the winner of the 1st Serpa International Award for Picture Books. The book received the award for Best Illustration of a Picturebook (Portuguese Author) at the Amadora BD comics festival, the same year.