Dear Aspirant,

Some of the good books for CDS Examination are.

Pathfinder CDS Examination Conducted by UPSC

CDS 10 Years Topic-wise Solved Papers 2007-2016 with free GK E-books

Chapterwise Section Wise Solved Papers CDS Combined Defence Services Examination

DESCRIPTIVE ENGLISH (For All Competitive Examinations)

The Mega Yearbook 2017 - Current Affairs & General Knowledge for Competitive Exams

Algebra for SSC (Algebra for SSC)