UPSC Book Free Download

I am searching for the Union Public Service Commission Book so please can you give me the book and also provide me the page where I can download the UPSC Book free of cost?

The books for UPSC exam preparation are available for free download on to the website of NCERT. Here you can search the books for different classes.

On to the website you can download the following books:
Economics Books
Electrical Engineering Books
Geography Books
Geology Books
Indian History Books
Law Books
Mathematics Books Mechanical Engineering Books
Medical Science Books
Philosophy Books
Physics Books
Political Science Books
Psychology Books
Public Administration Books
Sociology Books
Statistics Books
Zoology Books
Pali Books
Urdu Books
Management Books
General Studies
Agriculture Books
Anthropology Books
Botany Books
Chemistry Books
Civil Engineering Books
Commerce Books

Geography Books
Geology Books
Indian History Books