David Jackson & Terry I. Visentin 
An Atlas of the Smaller Maps in Orientable and Nonorientable Surfaces [PDF ebook] 

Maps are beguilingly simple structures with deep and ubiquitous properties. They arise in an essential way in many areas of mathematics and mathematical physics, but require considerable time and computational effort to generate. Few collected drawings are available for reference, and little has been written, in book form, about their enumerative a