How Round Is Your Circle?

It was written by chemical engineer John Bryant and mathematics educator Chris Sangwin, and published by the Princeton University Press in 2008.

The book has 13 chapters,[1] whose topics include: The book emphasizes the construction of physical models, and includes many plates of the authors' own models,[3] detailed construction plans, and illustrations.

[5] It only requires a standard background in mathematics including basic geometry, trigonometry, and a small amount of calculus.

[4] Similarly, Ronald Huston recommends it to "mathematicians, engineers, and physicists", as well as interested members of the general public.

[1] Matthew Killeya writes approvingly of the book's intuitive explanations for its calculations and the motivation it adds to the mathematics it applies.