Tracey Turner has written more than 70 books, most of them for children, on subjects including inventions, the universe, famous writers, rude words and deadly perils. Many have sold foreign rights all over the world, and some have become best sellers. She is also an editor, and commissioned and edited the Horrible Histories series for many years. She lives in Bath, UK, with Tom and their son, Toby.

Fatti Burke is an illustrator from Ireland who lives in Amsterdan. She has been working as a freelance illustrator since graduating in 2012. Her first three books (Irelandopedia, 2015; Historopedia, 2016; Focloiropedia, 2017) were bestsellers in Ireland. She recently illustrated titles in a new, innovative board book series entitled I Look Up To..., which looks at influential women who have made a difference in the modern world. The information is delivered in baby-sized bites, and subjects include Ruth Bader Ginsburg, Michele Obama, Malala Yousafzai and Serena Williams.