Grids & Guides Gray: A Notebook for Visual Thinkers is the latest in a series of useful and inspiring notebooks from Princeton Architectural Press. Much like the other cloth-covered notebook offerings from the Grids & Guides series, this title includes an assortment of graph paper and grid varieties, and it also includes nice charts, infographics, and tables, such as: the human circulatory system, the geologic time scale, a chart of international maritime flags, and the electromagnetic spectrum. You never know when you’re going to need this stuff, really. Hardcover, cloth covered, with a subtle grid pattern embossed on the cover. Stay tuned for more on the matching pencil boxes!