Free Geometry and Topology Ebooks

Basic Geometry

1. A Text-Book of Geometry by G. A. Wentworth
2. CK-12 Geometry by V. Cifarelli, A. Gloag, D. Greenberg, J. Sconyers, B.
3. Geometry for Elementary School by Wikibooks
4. 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 and Ruslan Sharipov
12. Elementary Topology O. Ya. Viro, O. A. Ivanov, N. Yu. Netsvetaev, V. M. Kharlamov
13. Finite Geometry
14. Fractal Geometry by Michael Frame, Benoit Mandelbrot, Nial Neger
15. Fundamentals of Geometry by Oleg A. Belyaev
16. Geometric Asymptotics
17. Geometry and Billiards by Serge Tabachnikov
18. Geometry and Group Theory
19. Geometry and Quantum Field Theory by Pavel Etingof
20. Geometry and Topology Christopher Cooper
21. Geometry Formulas and Facts by Silvio Levy
22. Geometry study guide
23. Geometry of Surfaces Nigel Hitchin
24. Geometry of the Sphere by John C. Polking
25. Geometry, Topology, Geometric Modeling by Jean Gallier
26. Geometry Unbound Kiran S. Kedlaya
27. Intrinsic Geometry of Surfaces by A. D. Aleksandrov and V. A. Zalgaller
28. Introduction to Symplectic and Hamiltonian Geometry by Ana Cannas da Silva
29. Natural Operations in Differential Geometry Ivan Kolar, Peter W. Michor, Jan Slovak
30. Non-Euclidean Geometry by Henry Manning
31. Open Problems in Topology by Jan Van Mill, George M. Reed
32. Projective and Polar Spaces by Peter J. Cameron
33. Projective Differential Geometry Old and New by V. Ovsienko, S. Tabachnikov
34. Projective Geometry by Nigel Hitchin
35. Riemann surfaces, dynamics and geometry Course Notes
36. The Eightfold Way: The Beauty of Klein’s Quartic Curve editedy by Silvio Levy
37. The Foundations of Geometry by David Hilbert
38. The Geometry and Topology of Three-Manifolds William P Thurston
39. The Geometry of Iterated Loop Spaces by J. P. May
40. Topics in Finite Geometry: Ovals, Ovoids and Generalized Quadrangles by S. E. Payne
41. Topology and Geometry for Physics by H. Eschrig
42. Topology Without Tears by Sydney A. Morris

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