A novel The Summer in the DNA Length get the schoolchildren acquainted with the history and the recent achievements in the sphere of biotechnology. The book has a lot of interesting texts and fully understandable illustrations and schemes. It can easily replace a boring biology lesson. The underlined words have the equivalences in the language of the world science. Schoolchildren can google these terms or refer to the articles from the sources mentioned at the beginning of the book. The last pages include interesting photo materials. All of these were carefully gathered by the author of this novel - the writer and doctor who is in love with children’s literature, the mother of three young readers Alina Shtefan.