The manual contains 175 various game tasks that contribute to the development of not only optical-spatial representations, but also all components of speech in general. Differentiable pairs of letters (i-y, i-sh, b-d, v-d, p-t) are worked out sequentially: in isolation, in syllables, words, phrases, sentences and texts.The book consists of five topics, each of them - 35 work cards. The cards contain game tasks, including fillwords, flip games, anagrams, and "noisy" texts. To facilitate the memorization of the material used the method of associations and other mnemonics. The tasks correspond to the age-related psychological characteristics of children from 7 to 10 years old.The material of the manual will be useful in working with schoolchildren who have either specific writing and reading disorders, or errors associated with difficulties in mastering writing skills. The book is intended for speech therapists, defectologists, primary school teachers and interested parents.