70 Carbonless duplicate sets sequentially numbered. White copy (bottom page)perforated. Fully laminated front and back covers. Back cover folds over to prevent bleed through between sets. Durable plasticoil spiral binding allows notebook to lie flat. Cover contains most up-to-date Periodic Table. Table of Contents and How to Keep a Laboratory Notebook guidelines included. Several tables with general physical sciences information are included for reference.ASIN: 193088270XVSKU: PKV.193088270X.ACondition: AcceptableAuthor/Artist:Hayden-McNeilBinding: PaperbackNote: Any images shown are stock photographs and product may differ from what is shown. Condition Notes: It's been through some chapters of life! Expect visible wear—creases, notes, highlights, maybe even a splash of water here and there. Perfect for readers who love a book with history.