There's a shelf in my parents house that is filled with these books. My dad is a civil engineer and he has filled pages and pages of these field books with his formulas, calculations and sketches. Each building, bridge, tunnel he has built has its own field book- over forty years worth. He retired just last year and had a bulk of these amazing unused field books.

I love how well-crafted they are, able to withstand lots of wear and tear. Interior graph pages are made of a water resistant surface and sewed with special enamel waterproof thread. Measures approximately 4.75" by 7.25". Color is accurate in photo on left (light orange). Multiples in stock.