Physics Lab Book [$5.50/�3.99]. [Note: this book does NOT support page duplication] Cover: Tough paperback with Periodic Table, Useful Constants, Common Metric Prefixes and Electron Shell Configurations on the back. Binding: Secure professional paperback binding, i.e. it's built to last; pages won't fall out after a few months of use. Dimensions: 20.3 x 25.4 cm (8" x 10"). (Almost the same width as A4 but a few cm shorter in height - just that bit easier to squeeze into a bag.) Interior: - 101 pages of thick white paper (minimizes ink bleed-through), - Grid ruled with thin lines that don't overpower personal notation, - Unit Conversion Tables on the back page. (If Look inside isn't loading, click the blue smART bookx link above to look on our website.) Matching Products: Two other Laboratory Notebooks with the same reference tables and internal content as this one but cover designs more specific to biological and chemical sciences. [Search on Amazon for "science" and "bookx" (don't forget the 'x')]. Similar Products: A range of Composition Notebooks suitable for school, college and work. They are the same paper quality and dimensions as this Lab book (8 x 10 inch) but are college ruled internally. Thanks for looking, The smART bookx design team Buy With Confidence Because Our Customers Love Our Stationery: ***** Affordable, But Still Good Quality! ... Very satisfied with this product ... an affordable option that is also very thorough. Many other planners just didn't have all of the sections I needed, or they did and cost too much ... the cover is super cute and kind of soft. (Jun 1, 2016) ***** Very Nice ... Beautiful. My daughter loved them!!! (August 17, 2014) ***** Love the Van Gogh Notebook ... Loved it, keep it in my purse incase of creative impulses. (November 8, 2013) ***** Love This! ... This planner is super cute, and I absolutely love the cover. Lots of room to include all kinds of information. (June 13, 2016) ***** Great for taking theory notes or writing music! ... I'm a music major, and I needed staff paper ... This is a cute product and the staff paper is great. (Feb 1, 2016) ***** Amazing Recipe Book ... This is the third smART bookx recipe book I've purchased. I have it with the Carnival cover and purchased the Polka dots cover to copy recipes for my daughter... Love the index pages ... Easy to find the exact recipe you are looking for since the index shows all the recipe pages numbered. Highly recommended. (Dec 28, 2015)