"Messy Maths" is a specialized book that explores a playful and practical approach to teaching mathematics for early education years. Written by Juliet Robertson and published in 2017, the book is aimed at education professionals as well as parents who wish to support preschool-aged children. The paperback cover and the 300-page content provide a comprehensive resource that addresses both theoretical and practical aspects of outdoor mathematics. The book is written in English and covers topics from the humanities and social sciences, focusing on the development of mathematical skills through interactive and creative learning methods. With a width of 184 mm and a height of 19 mm, it is compact and easy to transport, making it ideal for use in various educational settings. "Messy Maths" not only promotes mathematical understanding but also fosters a love for learning through active participation and exploration in nature.