The 'Popcorn' series aims to develop children's knowledge and understanding of the world by covering a wide range of topics in a fun, colourful and interactive way. Each title has a lively design, engaging text and features an activity at the end of each book.The 'Popcorn' series aims to develop children's knowledge and understanding of the world by covering a wide range of topics in a fun, colourful and interactive way. Each title has a lively design, engaging text and features an activity at the end of each book.