Mem is the author of over 25 books and is one of Australia’s best and most loved picture book authors. She is the author of the iconic and bestseller children’s book ever in Australia, Possum Magic which has sold over 3 million copies. Sales of Mem’s books have reached 10 million copies and are sold in many countries around the world

Good Night Sleep Tight is the first time Mem and Judy have collaborated on a picture book since they published, Where is the Green Sheep? This classic Australian title has been in the top children’s book bestseller list since its publication. It has never been published into paperback but continues to sell consistently in hardback and has remained in the top 10 bestselling picture book list for the past 8 years.

Mem has been presented with many awards including an AM in the 1993 Australia Day Honours for services to the cultural life of Australia; an SA Great Award for Literature in 2001; the Prime Minister’s Centenary Medal in 2003; and she was shortlisted for the Australian of the Year in 2004. She has worked as an Associate Professor of Literacy Studies in the School of Education at Flinders University, South Australia for twenty-four years and is now an international literacy consultant.

Emma Quay (pronounced 'Kway') grew up in England, and has wanted to be a writer and illustrator of children's picture books for as long as she can remember. She works from a studio in her home, and sometimes feels like she barely leaves it...but her illustrative work is held in collections around the world, including the Victoria and Albert Museum, London.

Since moving to Australia in 1993, Emma has illustrated a wide range of award-winning children's picture books. Her memorable characters for Bear and Chook, Good Night, Me, Cheeky Monkey and Shrieking Violet are favourites on many children's and library bookshelves. Emma's collaboration with author Lisa Shanahan, Bear and Chook by the Sea was the winner of the 2010 CBCA Early Childhood Children's Book of the Year Award, her picture book, Rudie Nudie, won the 2012 Australian Book Industry Awards, Book of the Year for Younger Readers, and Emma's title, Not a Cloud in the Sky, about the friendship between a bird and a cloud, arrived on book shelves 2015. Emma has collaborated with author Mem Fox, with their beautiful lullaby picture book, Baby Bedtime.