Flatland: A Romance of Many Dimensions. This is the story of a world with only two dimensions, called flatland. ItТ‘s very hard for the people living there to imagine a world with three dimensions like we live in. This is a story about ourselves and about how we lack the imagination to see something bigger than our own small world. This highly imaginative book is now available in a high quality PDF format with the authorТ‘s original drawings. Free.