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I need a Geometry book in which there are a lot of problems which are related to triangles such as incenter, circumcenter,orthocenter,congruence,similarity,medians,angle bisectors,Ceva's theorem etc. and the problems are from easy to hard like the book Plane Euclidean Geometry.Could anyone inform me about such book (except $Geometry$ $Revisited$ and $Plane$ $Euclidean$ $Geometry$).

College Geometry by Nathan Altshiller-Court.
I haven't gone throughly this one , but I liked the contents , they cover nearly all important and useful things I suppose .

Thanks a lot

You may also see Geometry Unbound, available on the internet. I think its a great book.