Packed with awesome facts to elevate your knowledge about some of the most endangered animals on Earth. From rainforest creatures, ocean giants, and more, this unique book features raised pictures and ranking reveals to challenge yourself to guess which creatures are rare, rarer, and rarest! Do you dare to discover the rarest of them all?

Lydia Halliday is a publishing professional with over 15 years experience. Specialising in illustrated non-fiction for both children and adults, she has worked at DK, Quarto, and Bonnier. Now a freelance editor, writer, and project manager, she works for a range of clients and focuses on her passion for producing beautiful, inspiring books. She lives in Surrey with her husband and two young children.

Iana Kauri is a talented artist and illustrator specialising in distinctive and colourful illustrations of animals and the natural world. Iana uses a distinctive colour palette to create eye-catching pictures filled with simple yet realistic detail that bring animal illustrations to life on the page.

Matt O'Neil is a children's book illustrator and designer from Suffolk. Matt has always worked in children's publishing, creating fun and educational books for children of all ages.