Colin Stuart is a renowned astronomy speaker and author whose books have sold over 100,000 copies worldwide. A Fellow of the Royal Astronomical Society and a 2014 runner-up in the European Astronomy Journalism Prize, Colin has also written publications featured in The Guardian, New Scientist, BBC Focus and The Observer, and has spoken about the wonders of the universe on Sky News, BBC News and Radio 5Live. Gail Armstrong is an award-winning illustrator working in paper sculpture. Her 3D paper cut style is unique, yet versatile, used for illustrating people, animals, buildings, maps and diagrams, from advertising to children's books.