I am looking for a maths book for jee mains as well as advanced. Please refer me ......

Hii

NCERT is the most important book for JEE Main preparation, however, there are reference books that have some concepts explained in a better and comprehensive manner.

JEE Main best books for reference are as follows-

Mathematics-

• Trigonometry; 103 Trigonometry Problems by Titu Andreescu & Zuming Feng by S.L.Loney, Titu Andreescu & Zuming Feng

• Co-ordinate Geometry by S.L.Loney

• Higher Algebra by Hall Knight+ Bernard-child

  Problems in Calculus of One Variable Algebra by I.A.Maron

• Algebra by Arihant

• Differential Calculus by Arihant

• Integral Calculus by Arihant

• Complete Mathematics for JEE Main by Tata McGrawHill (TMH)

Mathematics Books for JEE Advanced Preparation-

• Objective Mathematics By R.D. Sharma
• Plane Trigonometry and Coordinate Geometry (Two Books) by S.L Loney
• Problems in Calculus Of One Variable by I.A.Maron
• Hall and Knight Higher Algebra

In case you want to know about JEE Main 2019 – Preparation Tips, Important Topics & Books, Kindly go through following Link-

https://engineering.careers360.com/articles/jee-main-2019

To know more books for JEE Advance, Kindly go through following Links-

https://engineering.careers360.com/articles/jee-advanced-preparation-tips-physics-chemistry-and-mathematics

All the best.