By Holly Hatam, Author & Illustrator. Discover what makes mermaids so magical and become a true believer with this Mythical Creatures Are Real board book! Gemstone and sparkles and coral, oh my! That’s what mermaids are made of! But did you also know that mermaids are vegetarian, or that they can control the weather on the seas? Mermaid lovers will be tickled to learn all sorts of “facts” about these beloved beings. For ages 1 and up.