HEXAGON GRAPH PAPER 0.2" (0.5cm) HEXES 135 PAGES 8.5" x 11" TRIM SIZE IDEAL FOR ORGANIC CHEMISTRY This volume of Hexagon Graph Paper Notebook contains 135 pages of small sized hexes. It is part of a series that are available in separate volumes with different cover designs to match your personal preferences. (NOTE: The interior of books in this series are all exactly the same.) Each volume contains: 135 pages, white paper Size of hexes - 0.2" (1/4 Inch) Size of book - 8.5" x 11" (A4 size) Non-spiral bound Good quality paper Soft, sturdy matte cover Book covers available in designs include the following: Vol. 1 ISBN: 9781091730380 Vol. 2 ISBN: 9781091730656 Vol. 3 ISBN: 9781091730953 The books can easily be located using the ISBN numbers provided. Just type (or copy & paste) the numbers onto the Amazon search bar and you would be able to find the books.