People going with Poonam Dhalal, please be aware that there are some minor typos in it. Other than that the book is one stop solution and Believe me, I am used it for history optional.
@@upscaspirant-5 history books of following University. 1.Vardhman mahavir open University kota 2. Indira Gandhi open University 3. Yashwant Rao chavhan mukt vidyapeeth nashik.
@@lancecorporallevi Read those books and then see previous year history questions asked in UPSC/State PCS, you'll hardly able to solve any. By reading those books you can surely have more knowledge about history. But you can not be able to qualify prelims exam(which demands factual knowledge far more than concepts)