Paul Virr is an author and editor who has written extensively on science and technology over the last twenty years. A former SEM ambassador with Bath Royal Literary and Scientific Institution and former editor for the Auropean Space Agency, he has produced official guides for UK museums and now lives in Rome, Italy. William Potter has been writing and editing non-fiction titles for more than two decades, covering diverse subjects such as new technology, space travel, history, prehistoric life, comics and fantasy-art creation, along with numerous educational STEM titles and puzzle books for school-age readers.