Matthew writes books for Usborne about all sorts of subjects, including history, science and Planet Earth. Before he did this, he studied English at university and worked for the BBC where he made funny radio programmes. He lives in London and spends his weekends visiting its many museums and exploring different parts of the city.

Rachel Wells is a mother, writer and cat lover. She lives in Devon with her family and her pets and believes in the magic of animals. Rachel grew up in Devon but lived in London in her twenties working in marketing and living in a tiny flat with an elderly rescued cat, Albert. After having a child she moved back to Devon and decided to take the plunge and juggle motherhood with writing.