Hindu pad padshahi is an excellent work on the history of Marattas.It is available for download in the below linhttp://www.savarkar.org/en/download
The author takes you through the wonderful personalities of Baji Rao II, Sadashiv Bhau,SriRam Sastri , Rajaram, Chatrapati Shahu, Madhavrao and hosts of Maratta leaders who carried on the struggle of freedom on with the mughals, the afgans, the portugese, the british. (Another valuable book is Jadunath Sarkar's Fall of the Mughal Empire !)The author's First War of Independence is also an excellent work also available for download there. Regards,S.KarthikVandemataram