Doubt regarding swapnil patni isca reference book- urgent

There are 5 volumes of isca books available on swapnil patni sir publications.. When i enquired them they said volume1 is main book. No proper info is given regarding other volumes. Anyone of u know the contents of other 4 volumes?? Which volume is regarding what 

i want to purchase his main book consisting detailed explanation of all 8 chap and his detailed summary notes. Please help me