ChessBase Reader
Pawn Stormers,
Dan, Arsahq, and I are going to start providing some individualized reading material. The primary electronic book format is ChessBase. So, if you don't have ChessBase or Fritz, then you will want to download the ChessBase Reader. Please note that you cannot save any new games, annotations, or any other type of additions or changes in ChessBase Reader. It is best used for reading e-books or other pgn-formatted games. Here is the link to download ChessBase Reader:
https://download.chessbase.com/download/chessbasereader/Reader2017Setup_x86.msi
Here is an instruction video on using ChessBase Reader