Hannah Wilson has edited and ghost-written children's books, both non-fiction and fiction, for over ten years, and also writes in her own name, including several books in the Flip the Flaps series. Her first love is animals, and she has penned books about puppies, wildlife photographers and reptiles. When she is not reading or writing, Hannah likes to get out of London in her campervan and climb rocks. Jinny Johnson has written and edited dozens of non-fiction titles for young children on subjects as diverse as birds, creepy-crawlies, endangered animals, the seasons and skeletons. Her lively, engaging narratives present information in an original and straightforward way and she has worked on titles such as Discover Science: Senses. Jinny lives in London, UK.