I stumbled across this in a bookshop and just loved it! Wish they would make a pocket sized version too!
Grids and Guides: A Notebook for Visual Thinkers

“Map out graphs, schematics, sketches, and dreams with this sleek and durable workbook. Inspired by vintage laboratory notebooks, Grids & Guides features 144 pages of graph paper (eight designs repeating throughout) interspersed with a multitude of scientific charts, tables, and infographics featuring everything from the periodic table to alternative alphabets to Newton’s Laws of Motion. This journal is the perfect tool for right-brainers and left-brainers alike.”