Disquisitiones Arithmeticae

by Carl Friedrich Gauss

$65,000 · Offered by Sophia Rare Books

First edition

Leipzig: Gerh. Fleischer, 1801. / First edition of the work that created modern number theory, published when Gauss was twenty-four — the book Kronecker called the “Book of all Books.” Its essential discoveries had been made five years earlier, when the eighteen-year-old Gauss proved the regular heptadecagon constructible by ruler and compass alone the first advance in polygon construction since Euclid and within weeks had proved the law

Found via Rare Books Intel, a search across rare-book dealers, auction houses and marketplaces worldwide.