First Edition 1961 book: "They offers All Discovered America"

Stated First Edition 1961 hardback book: "They All Discovered America" by Charles Michael Boland, with offers intact dust jacket. This book is about the various people through the years, pre-Columbus, that visited or left evidence that they visited America. It is 384 pages long and has B & W photos in the center of the book (see photos for detail) and some pen & ink-like sketches throughout. It has an intact dust jacket that shows some wear along the spine but is otherwise in GOOD condition. The book itself is in VERY GOOD condition with no tears, bends or markings of any kind. An interesting topic that was well researched by the author.