Today's free book is Legendary islands of the Atlantic: a study in medieval geography by William H. Babcock (1922). For the table of contents, check at the bottom of this post below the image.
The book is available at Hathi Trust (I have not checked for other online sources).
Table of Contents
I Introduction
II Atlantis
III St. Brendan's Explorations and Islands
IV The Island of Brazil
V The Island of the Seven Cities
VI The Problem of Mayda
VII Greenland or Green Island
VIII Markland, Otherwise Newfoundland
IX Estotiland and the Other Islands of Zeno
X Antilla and the Antilles
XI Corvo, Our Nearest European Neighbor
XII The Sunken Land of Buss and Other Phantom Islands
XIII Summary
