A red exercise book is a type of notebook that is commonly used in schools and educational settings. It is usually smaller in size than a standard notebook and has a red cover. Exercise books are often used for taking notes, completing assignments, and recording important information. They are often used by students to keep track of their work and organize their studies. The red color of the cover may be used to distinguish the exercise book from other types of notebooks, or it may simply be a design choice. Exercise books are typically made of paper and may have a spiral binding or a traditional binding.