Advanced Euclidean Geometry Roger A. Johnson

LINK ORIGINAL
http://bookzz.org/book/574567/4e4082

Elementary number theory in nine chapter JAMES J. TATTERSALL

LINK ORIGINAL
http://highschoolcam.blogspot.com.br/p/english-maths-books.html
LINK DIRECT ORIGINAL
http://www.mediafire.com/view/?7gzch8m7hk6pe2d

MY NUMBERS MY FRIENDS POPULAR LECTURES ON NUMBER THEORY

LINK ORIGINAL
http://highschoolcam.blogspot.com.br/p/english-maths-books.html
LINK DIRECT
http://www.mediafire.com/view/?gjddu4rv944r2o6

Mathematical problems and puzzles from the Polish mathematical olympiads by S. Straszewicz. Translated from Polish by J. Smólska.

LINK
http://bookzz.org/book/1317349/ce2a5f

International Mathematical Olympiad 1959 - 1999 Istvan Reiman

A fantastic selection of mathematical puzzles for all age groups. This book represents a compilation of questions set for the famed International Maths Olympiads. A book of logic puzzles and questions that will tease the minds of all those with a mathematical mind. - Features all questions from the annual Olympiad, from 1959 to date - Includes solutions to every question - with multiple answers where applicable.

LINK ORIGINAL
http://bookzz.org/book/913700/4c38f5

International Physics Olympiad (IPhO) 1967-2010 Scroungehound

LINK ORIGINAL
http://bookzz.org/book/1240053/af8ed1

Variance of Topics of Plane Geometry Florentin Smarandache

Variance of Topics of Plane Geometry
 This book contains 21 papers of plane geometry. It deals with various topics, such as: quasi-isogonal cevians, nedians, polar of a point with respect to a circle, anti-bisector, aalsonti-symmedian, anti-height and their isogonal.
LINK ORIGINAL
http://issuu.com/florentinsmarandache/docs/9781599732473/1

THE GEOMETRY OF HOMOLOGICAL TRIANGLES Florentin Smarandache

LINK ORIGINAL
http://issuu.com/florentinsmarandache/docs/geometryhomologicaltriangles/1