"Ruottalainen ja Suomalainen Kielikirja" is a unique edition published by anonymous authors and is a dictionary of the Swedish and Finnish languages. The book contains a wide range of words, expressions, and grammar rules for those who want to learn one of these Scandinavian languages or improve their knowledge in it. Thanks to this book, the reader can not only familiarize himself with the vocabulary, but also learn about the peculiarities of pronunciation and grammar of these languages. "Ruottalainen ja Suomalainen Kielikirja" is an essential reference for those interested in Swedish or Finnish culture, language and literature.