《福尔摩斯探案集4》精选了多个福尔摩折的探案故事，案件奇异惊险，情节跌宕走己伏，结果出人意料，可以激发孩子的探索欲望，引领孩子开动脑筋、积极思考、分析案情。书中还配有难易交叉的思维游戏，能够引导孩子展开想象，拓展思维，让您的孩子在阅读中开发潜能、提高智商。（The Adventures of Sherlock Holmes.4 has selected a number of thrilling cases solved by Sherlock Holmes, and the plots were ups and downs with unexpected result which can stimulate the child's desire to explore and lead the children to use their brains to carry out the positive thinking and analyze the case. The book also has a series of thinking game with difficulty crossing to guide children to develop their imagination, expand thinking and let your children develop potential and improve IQ in reading.）