Thorpe, E. & Thorpe, S. General Studies Manual for the UPSC Civil Services Preliminary Examination - 1st Ed. - Delhi Pearson India Education Service Pvt. Ltd. 2010 - xiviii,1838p. 25 cm. Text in English ISBN: 9788131727881 Subjects--Facted Index Terms: GEN Index Terms--Genre/Form: 24G Dewey Class. No.: 351.076 / THO