Thanks, yes the width and height are different. Since this is for a print book, not ebook, the image is for the front cover, spine, back cover, all in one. I tried rotating, same result. I can't do anything about the square dimensions for the Quality. It only allows me to select other square numbers like 3600X3600, 2400X2400, etc.
My book will actually be 5.25X8, the template allows about a quarter inch all around for bleed, but this just doesn't look right, especially when I printed it out and there was white space on all four sides and it didn't reach the desired 5.25X8 dimension.