For English And GS Mainly.. How To Prepare Static Gk And Current Affairs
Here are some recommended books for SSC CHSL exam preparation:
English Preparation:
Objective General English by S.P. Bakshi
Word Power Made Easy by Norman Lewis
A Mirror of Common Errors by A.K. Singh\
General Studies (GS) Preparation
Lucent's General Knowledge
Manorama Yearbook
NCERT Books: MUST