Anti-apartheid revolutionary, politician and philanthropist, Nelson Mandela's journey from political prisoner to president of South Africa is an incredible tale of triumph in the face of adversity.

Isabel Thomas studied Human Sciences at the University of Oxford. She is a science writer and children's author who has been shortlisted for the Royal Society Young People's Book Prize, the ASE Science Book of the Year, and the Blue Peter Book Awards. Isabel also writes for children's science magazines Whizz Pop Bang and The Week Junior Science + Nature, and for science outreach projects. She is a primary school governor and parent of three young sons.

Hannah Warren is an illustrator and graduate from the Royal College of Art who lives and works in London. She has had her work published in a number of National publications, including The Telegraph and Simple Things Magazine and worked in a variety of creative sectors from advertising, animation, publishing and web. She likes drawing bold, colourful people and bikes the most.