Requesting suggestion on geometry and calculus books i am an engineering student , i had little interest in mathematics but my interest in mathematics  inadvertently( exactly because i am loving that) rises to extreme level, although i have little knowledge (subject-syllabus oriented) on mathematics, i am eagerly trying to learn the mathematics as art ( can be apllied anywhere .....). so please suggest books on topics geometry and calculus to like beginner with interests to learn the contents as art(passion).

Check out Spivak's "Calculus on Manifolds."  It is free online and one of the classic great textbooks on calculus.
