Tatiana Oliva Morales is the author of methods and manuals of the series © Linguistic Reanimator, for accelerated preparation for exams at school and a linguistic university; of the series © Comparative typology of English and Spanish; of the series © Comprehensive early development of children from 3 years. The author of more than 300 books and study guides in Russian, English and Spanish; English and Spanish teacher with over 25 years of experience; poet and writer.