Tom Jackson is a science writer based in Bristol, UK. Over the last 20 years, Tom has written books, magazine and newspaper articles, for online and for television on a wide range of subjects and has worked on projects with Brian May, Patrick Moore, Marcus de Sautoy and Carol Vorderman and for major international publishers, such as Dorling Kindersley, National Geographic, Scholastic, Hachette, Facts on File and BBC Magazines.

Cristina Guitian is an illustrator living and working in London. Her distinct style of hand-drawn characters and typography creates surreal worlds filled with hybrid creatures that won her a Bronze Award, Best of British illustration in 2009. Cristina has also created installations for Victoria Revealed, a permanent exhibition at Kensington Palace, and has been featured in the prestigious D&DA Annual.