Edwin A. Abbott (1838-1926) was a British headmaster and theological scholar best known as the author of Flatland, an 1884 novella which was influential in the development of science fiction. Originally published in 1917, this book forms the final section of a 5 volume work by Abbott on the four canonical gospels and the relationship between them. Taken together, the five volumes constitute part 10 of the Diatessarica, a series dealing with the gospels and their interpretation. This book will be of value to anyone with an interest in biblical criticism and theology.