Mike Lucas (Author) Mike Lucas is the author of several picture books including CBCA Notable Book Olivia's Voice. He has also written and published several books of humorous children's poetry, has had work highly commended in magazines and contributed to poetry anthologies. In 2017 Mike was one of the main organisers of the Adelaide Festival of Children's Books. He presents writing and poetry workshops at schools, owns a bookshop in Blackwood, South Australia, and works as a full-time engineer. He doesn't sleep much. What We All Saw is Mike's first YA novel. Heidi McKinnon (Illustrator) Heidi McKinnon is a children's book author and illustrator who lives in sunny Melbourne, Australia. With a background in art and design, Heidi creates books that are colourful, fun and filled with humour. Her books have been published around the world and have received numerous nominations.