Currently, I'm studying a little about geometry and I was trying to find out some good book about it on internet, however I didn't find anything that I thought nice to me or what I really expected to which would be nice. What I'm looking for is a book with good proofs, in which show strategies to you reach the solution. and interesting exercises.
For instance :
GoGeometry 1 , GoGeometry 2, GoGemetry 3 ...
Something about mostly elementary geometry, proprieties of triangles, parallels lines, circles, triangle inscribed in a circle, so on.
You can check this geometry book written by Hartshorne
I haven't read this book yet, but I guess it would be great.