Protext polypropylene covered Graph books brighten up every school day | Colourful, durable and long lasting | No book cover required | Features include a different teachers reference for every book, 4 year calendar, activity page and maths tables, Clear blue graph ruling on every page for easy writing | 4 year calendar | Activity page and maths tables | Clear blue graph ruling on every page for easy writing | Assorted colour picked at random at point of sale