Audio bitrate: 128 kbps. Audio duration: 01:43:52. The manual is intended for independent study of a foreign language. A set of a book and a disc is prepared for those who do not have time to attend courses or study English with a teacher. Fractional structure, capacious explanations, useful tables, short texts and exercises, necessary and boring tasks will help refresh the grammar in memory and increase the vocabulary. Texts and tasks on an audio disc will help you learn to perceive foreign speech by ear. The book is intended for a continuing level and for anyone who wants to brush up on grammar and practice English.