This new edition is designed to be flexible. The book is available both with and without answers, so it can be used in class or for homework. The 'with answers' version of the book comes with a handy pullout reference panel which allows students to review key grammar points. It is also available packaged with a CD-ROM. A fully updated version of the world's bestselling grammar title - extra practice is also available on the interactive CD-ROM that accompanies the book. For sale by Ernst Klett only.