Judith Clarke was born in Sydney and educated at the University of New South Wales and the Australian National University in Canberra. She has worked as a teacher and librarian, and in adult education in Victoria and NSW. She now lives in the Blue Mountains.

Judith is a major force in young adult fiction both in Australia and internationally, where her books have been published in the USA and Europe to high acclaim. Her novels include the multi-award-winning Wolf on the Fold, as well as Friend of my Heart, Night Train, Starry Nights, and the very popular and funny Al Capsella series.

Kalpana's Dream was named an Honor Book in the 2005 Boston Globe-Horn Book Awards. One Whole and Perfect Day won the 2007 Queensland Premier's Literary Awards, shortlisted in the 2007 Children's Book Council of Australia (CBCA) Book of the Year Awards and the New South Wales Premier's Literary Awards, and was an Honor Book in the American Library Association's Michael L. Printz Awards for Excellence in Young Adult Literature in 2008. The Winds of Heaven was shortlisted for the 2010 Prime Minister's Literary Awards and was an Honour Book in the CBCA Awards that year, too.