## The Amazing Mathematics Illuminated

Mathematics Illuminated is an amazing multimedia resource created by Annenberg Media. It contains text articles, videos, and java applets that discusses mathematics ranging from the most ancient to the most modern. The title of 13 chapters are the following.

It also contains textbooks, facilitator’s guides, participant’s guides, interactive applets and many other teaching tools that can be used in teaching and learning mathematics.

If you are a mathematics teacher or enthusiast, Mathematics Illuminated is really worth visiting.

## Free Geometry and Topology Ebooks

Below are free Geometry and Topology ebooks. Most of these books are in PDF format. Some of the links point to a website containing the ebooks, while some directly links to the pdf files. All of these ebooks are downloadable and free.

1. CK-12 Geometry by V. Cifarelli, A. Gloag, D. Greenberg, J. Sconyers, B.
2. Geometry for Elementary School by Wikibooks
3. The Elements by Euclid

College Geometry and Beyond

1. A First Course in Topology: Continuity and Dimension by John McCleary
2. A Tour of Triangle Geometry by Paul Yiu
3. Algebraic and Geometric Topology by Andrew Ranicki, Norman Levitt, Frank Quinn
4. Algebraic Curves: an Introduction to Algebraic Geometry by William Fulton
5. Algebraic geometry and projective differential geometry by Joseph M. Landsberg
6. Algebraic Geometry by J.S. Milne
7. An Introduction to Differentiable Manifolds and Riemannian Geometry by William M. Boothby
8. An Introduction to Riemannian Geometry by Sigmundur Gudmundsson
9. Classical Geometry by Danny Calegari
10. Computational Geometry
11. Course of Differential Geometry by Ruslan Sharipov
12. Elementary Topology O. Ya. Viro, O. A. Ivanov, N. Yu. Netsvetaev, V. M. Kharlamov
13. Fractal Geometry by Michael Frame, Benoit Mandelbrot, Nial Neger
14. Fundamentals of Geometry by Oleg A. Belyaev
15. Geometric Asymptotics
16. Geometry and Billiards by Serge Tabachnikov
17. Geometry and Group Theory
18. Geometry and Quantum Field Theory by Pavel Etingof
19. Geometry Formulas and Facts by Silvio Levy
20. Geometry study guide
21. Geometry of Surfaces Nigel Hitchin
22. Geometry of the Sphere by John C. Polking
23. Geometry, Topology, Geometric Modeling by Jean Gallier
24. Geometry Unbound Kiran S. Kedlaya
25. Intrinsic Geometry of Surfaces by A. D. Aleksandrov and V. A. Zalgaller
26. Introduction to Symplectic and Hamiltonian Geometry by Ana Cannas da Silva
27. Natural Operations in Differential Geometry Ivan Kolar, Peter W. Michor, Jan Slovak
28. Non-Euclidean Geometry by Henry Manning
29. Open Problems in Topology by Jan Van Mill, George M. Reed
30. Projective and Polar Spaces by Peter J. Cameron
31. Projective Differential Geometry Old and New by V. Ovsienko, S. Tabachnikov
32. Projective Geometry by Nigel Hitchin
33. Riemann surfaces, dynamics and geometry Course Notes
34. The Eightfold Way: The Beauty of Klein’s Quartic Curve editedy by Silvio Levy
35. The Foundations of Geometry by David Hilbert
36. The Geometry and Topology of Three-Manifolds William P Thurston
37. The Geometry of Iterated Loop Spaces by J. P. May
38. Topics in Finite Geometry: Ovals, Ovoids and Generalized Quadrangles by S. E. Payne
39. Topology and Geometry for Physics by H. Eschrig
40. Topology Without Tears by Sydney A. Morris

You may also want to view my list of Free Algebra and Free Calculus ebooks.