Product Overview: The Biog Science Book 100 Square A4 is a premium-quality notebook designed for students, professionals, and enthusiasts in the field of science. Key Features: ‣ Square-ruled layout for accurate diagramming and calculations. ‣ Durable A4-sized pages, providing ample space for detailed notes and sketches. ‣ High-quality paper to prevent ink bleeding and ensure a smooth writing experience. Specifications: ‣ Size: A4 ‣ Material: Premium-quality paper with a sturdy cover