Bobbie is the pen name for Gemma Cooper, a children's book author and editor from the Essex countryside, who writes fun and interactive books for children of all ages. Gemma loves writing books that explain how things work or books that are packed full of interesting facts. In 2023, Gemma won the BookTrust Storytime Prize for her book, 'Can You Tickle a Tiger?' - a prize voted for by children and families attending special reading events held in over 2,400 libraries across the UK.

Villie was born in Athens and studied illustration at Ornerakis School of Applied Art. Having worked as a children's book illustrator since 2008, she loves creating playful characters, interesting compositions and giving emphasis on colour, working often digitally, but also traditionally, with a fresh and whimsical style.