It is unusual to have the two together, but the author, P.D. Cain felt that the book could also be educational and would be fun in a relaxed context, making learning easier. By relating with animals, the reading skills can be expanded, not only for native English speakers but also for those who are learning English as a foreign language.
In a very stressful and demanding world, everyone requires relaxation. It has been proven that poetry and colouring are powerful tools to help reduce stress. In this coloring book you have both.