https://sofbooks.co.uk/ 2026-07-29 https://sofbooks.co.uk/assets/sof-books-curiosity-tree-social-ages-6-11-berry.jpg https://sofbooks.co.uk/assets/sof-books-curiosity-world-hero-v1.png Children exploring the SOF Books Curiosity World https://sofbooks.co.uk/assets/why-does-that-happen-cover-v3.3.1.png https://sofbooks.co.uk/books/why-does-that-happen.html 2026-07-29 https://sofbooks.co.uk/assets/why-does-that-happen-cover-v3.3.1.png Why Does That Happen? children’s book cover by SOF Books https://sofbooks.co.uk/privacy.html 2026-07-29