The First Six Books of the Elements of Euclid High quality books The First Six Books of the Elements of Euclid By:Oliver Byrne,Euclid Published on 1847 by |Byrne ... considered that it might be easier to learn geometry if colors were substituted for the letters usually used to designate the angles and lines of geometric figures. Instead of referring to, say, 'angle ABC,' Byrne's text substituted a blue or yellow or red section equivalent to similarly colored sections in the theorem's main diagram.|--Friedman. This Book was ranked at 8 by Google Books for keyword Geometry. Book ID of The First Six Books of the Elements of Euclid's Books is HdRbAAAAQAAJ, Book which was written byOliver Byrne,Euclidhave ETAG "eqhQol0F3Y0" Book which was published by since 1847 have ISBNs, ISBN 13 Code is and ISBN 10 Code is Reading Mode in Text Status is false and Reading Mode in Image Status is true Book which have "268 Pages" is Printed at BOOK under CategoryE...