This site is devoted to mathematics and its applications. Created and run by Peter Saveliev.
Topology Illustrated
From Mathematics Is A Science
Topology Illustrated by Peter Saveliev
Contains 1000 illustrations
Sold on Amazon.com
Note: Below is the draft as of 11/15/15. Because of the heavy editing done since then, some of the sections below had to be removed.
CONTENTS
Preface 1
Chapter 1. Cycles

Chapter 2. Topologies

Chapter 3. Complexes

Chapter 4. Spaces

Chapter 5. Maps

Chapter 6. Forms

Chapter 7. Flows

 Appendix: Notation 4
 Appendix: Student's guide to proof writing 3
 Index
 Link: Spreadsheets
 Link: Errata