The Mermaid Sticker book is here! 24 for pages and over 600 stickers on 10 sticker pages! The book tells a little story of the life of mermaids, and gives tasks how to use the stickers, but they are designed in such a way, that they can be attached to any page, according to your taste. This book is suitable for all mermaid enthousiastics over 3 years old.
Also a Finnish version is available: https://www.aurinkokustannus.fi/tuote/merenneito-tarrakirja/