How many “world languages” are there? Which ones are the hardest to learn? At what age is it best to start learning languages? Is it worth it to study languages “intensively”? What techniques can make it easier to master pronunciation, vocabulary and grammar of a foreign language? These and many other questions are answered by the famous Swedish polyglot, founder of the International Association “Amici Linguarum” (“Friends of Languages”), Erik Gunnemark. The book is accompanied by a Russian-English-Swedish mini-dictionary, developed by the author specifically for beginners. The book is written in an easy, popular form and is intended for the general reader.