Julie Collins studied Fine Art at the University of Reading and has been an artist, writer and teacher since then. She has written a number of colour mixing guides and artists' problem-solving books and also writes for The Artist magazine. She works from her studio in Hampshire, UK, where she explores her passion for painting, drawing and crafts. Julie has won numerous prestigious awards for her watercolour paintings, including, most recently, the award of first prize for Watercolour at the Royal West of England Academy Annual Exhibition 2019. Julie was also elected an associate Member of the Society of Women Artists in August 2019. The three Colour Mixing Guides that comprise this book have sold over 37.5k copies overall. Julie is also the author of Colour Demystified, published by Search Press in 2021, which has sold over 6,850 copies to date.