Table of Contents

Classification of orientable surfaces, and the meaning of space; examples of non-orientable surfaces including models of the projective plane and the Klein bottle; how curves fit on surfaces and gives a general discussion of knotted strings in space; some examples of other 3-dimensional spaces - the 3-dimensional sphere, lens spaces, the quaternionic projective space; movie techniques of studying surfaces in 4-dimensions - how to move among the standard examples of Klein bottles, "movie move" decomposition of turning the 2-sphere inside out; higher dimensional spaces.