Catherine Greer is a Canadian-Australian author of picture books and young adult novels. She holds a BA Honours and a Master's degree in Literature. In 2005, she collaborated on the award-winning positive psychology nonfiction book, Choosing Happiness. Catherine writes a weekly Happiness Blog that's well- loved by readers around the world and has her own copywriting business in Sydney. Jacaranda Snow is her first picture book. Helene Magisson started her artistic career as a painting restorer in Paris, where she was also trained in the art of medieval illumination. She has been living in different countries, including Africa, France and India, and finally settled down in Australia. She ended up understanding that the easiest way to reach people's mind is with her pencils and brushes.