数学通俗名著系列，适于青少年的科普读物。也适用于高智商娱乐。包括算术游戏、算术趣谈、几何游戏、几何趣谈、多面体、棋盘游戏、幻方、地图染色问题、单行线问题、心算、组合设计、密码分析等。-Mathematics popular classics series, popular science books suitable for young people. Also applies to the highly intelligent entertainment. Including arithmetic game, interpretations on arithmetic, geometry games, geometry interpretations on the many facets of board games, magic squares, map coloring problem, a single line, mental arithmetic, the combination of design, password analysis.