Abstract: An electronic book apparatus displays an event invitation icon along with contents of a book wherein the event invitation icon represents event data that includes a text file and/or a game data file that relates to contents of a specified part of the contents of the book. When a player selects the event invitation icon while reading the contents of the book, the apparatus presents the text as shown in the text file or executes a game from the game data file.

Abstract: An electronic book apparatus displays an event invitation icon along with the contents of a book wherein the event invitation icon represents an event data that includes text files and/or game data files that relate to the contents of a specified part of the contents of the book. When a player selects the event invitation icon while reading the contents of the book, the apparatus presents the text as shown in the text files or executes a game from the game data files.

Abstract: A video game processing apparatus for controlling progress of a video game is provided. Game image information containing positional information of the target object in a game image used in the video game is stored in a game image information memory. A position of a viewpoint against the game image is specified on the basis of progress of the video game. A game image is displayed on the display screen on the basis of the specified position of the viewpoint and the game image information stored in the game image information memory. It is determined whether the target object becomes a non-display state or not in response to a movement request of the viewpoint received from a player. Selection of the target object by the player is received in a case where it is determined that the target object does not become the non-display state.

Abstract: An electronic book game apparatus has means for judging as to whether event data is set on original contents data to be displayed that show contents of a book when displaying the original contents data, means for displaying an event invitation icon informing that there is the event so as to be selectable by players when displaying the original contents data judged that the event data is set, and means for executing an selected event or a game on a display in association with a selection signal of the event invitation icon.

Abstract: A video game processing apparatus for controlling progress of a video game is provided. Game image information containing positional information of the target object in a game image used in the video game is stored in a game image information memory. A position of a viewpoint against the game image is specified on the basis of progress of the video game. A game image is displayed on the display screen on the basis of the specified position of the viewpoint and the game image information stored in the game image information memory. It is determined whether the target object becomes a non-display state or not in response to a movement request of the viewpoint received from a player. Selection of the target object by the player is received in a case where it is determined that the target object does not become the non-display state.