Does the questioner want to ask "The reason why Zelda's Mysterious Book of Dreamweaver Island displays crosses"? Wrong usage. According to how to use the game props in "The Legend of Zelda", the mysterious book requires a perspective mirror to view and cannot be used directly. The Legend of Zelda: The Legend of Zelda is the fourth game in the "Legend of Zelda" series. It was released on GameBoy on June 6, 1993. Its remastered version, "The Legend of Zelda: The Island DX", was released on December 1998. It will be released on September 12, and the remake of "The Legend of Zelda: Dreamweaver Island" will be released on September 20, 2019.