Bloomsbury Activity Books Have hours of fun under the sea with this beautiful mermaid activity book, packed full of activities and stickers. Colour in the seahorses, match the mermaids to their shadows, complete the under water scene and much more! Bloomsbury Activity Books provide hours of colouring, doodling, stickering and activity fun for boys and girls alike. Every book includes enchanting, bright and beautiful illustrations which children and parents will find very hard to resist. Perfect for providing entertainment at home or on the move!