Christine Berrie is a Glasgow-based illustrator who has studied at the Glasgow School of Art and Royal College of Art, London. Her work has been exhibited at the Pentagram Gallery, the DesignersBlock: Illustrate Festival and the AOI Images Exhibition. Her clients include The Guardian, The New York Times, Time Out and Penguin Books. Roger Fawcett-Tang is a British graphic designer with a special interest in book design and calendars. He is the founder and creative director of Struktur Design which has won various design awards and been featured in numerous design books and international magazines. He has written several books about design.