bx-zone.com says :-
UPSC books list is never ending, the more you read the more you feel that you should read more because it is the hugeness of the syllabus of the Union public services commission which pushes you to read more to study more. The day you get to a civil service post all your hard work will be paid off but it requires UPSC books for prelims and UPSC books for mains on the study table so, if you a few which you would like to sell then do hit the contact owner button on this second hand book wish in the wish-store of India’s own second hand bookstore bx-zone.com