Author Heather Lyons is a co-founder of blue{shift} coding, a company specializing in teaching coding to young programmers. You can read more about blue{shift} at blueshiftcoding.com. Author Elizabeth Tweedale is a co-founder of blue{shift} coding, a company specializing in teaching coding to young programmers. You can read more about blue{shift} at blueshiftcoding.com. Alex Westgate is an illustrator, designer, and artist working and living in Toronto, ON. He has worked with the BBC, Royal Canadian Mint, Reader's Digest, Western Union, AT&T, the Washington Post, and Hachette.