An imaginary tale the story of [the square root of minus one] - Nahin, Paul J. 1940- (Princeton University Press, 2007)
Description based on online resource; title from title page (Safari, viewed June 9, 2016). - "New preface and appendixes by the author, 2007"--Title page verso. - On title page "[the square root of minus one]" appears as a radical over "-1"