Here I am suggesting you some of the best books to be preferred for Infosys Recruitment Exam

C Books:
Let Us C by Yashavant Kanetkar
Exploring C by Yashavant Kanetkar (Optional)
ANSI C By Kernighan & Dennis Ritchie
Understanding Pointer In C by Yashavant Kanetkar
Test Your C Skills By Yashavant Kanetkar

Aptitude Books:
Quantitative Aptitude by R. S. Aggarwal
Verbal and Non Verbal Reasoning by R. S. Aggarwal
GRE by Barrons

Puzzles Books:
Puzzles To Puzzle You (Shakuntala Devi)
More Puzzles (Shakuntala Devi)
Puzzles & Teasers (George J.Summers)
Brain Teasers (Ravi Narula)