Dr Emma Adams is a psychiatrist specialising in the wellbeing of mothers and babies. She was born in Sydney, NSW, and grew up in the country town of Armidale, NSW.

She studied medicine at the University of Queensland and began working in the Canberra Hospital Emergency Department (ED). It was here, between the trauma calls in the ED, that a romance blossomed between Emma and Rob, who is now her husband. They live in Canberra with their three teenage sons.

Sam Caldwell is a children's illustrator and designer based in Glasgow. He likes to draw characters and tell stories with pictures. He grew up in the north of England and studied painting at the Edinburgh College of Art. His illustrated works include Weird, Wild, Amazing!, written by Tim Flannery.