Focus is a rich, varied, carefully levelled course for upper secondary students. Specially designed to motivate older teens, it helps them to track their level and achieve the exam results they need. With its unique blended learning package, Focus is the flexible course that gets results.

New International Business English is a flexible course at the upper-intermediate level for people who need or will soon need to use English in their day-to-day work.All four skills - listening, speaking, reading, writing - are developed through a wide range of tasks which closely reflect the world of work.

A groundbreaking introduction to vectors, matrices, and least squares for engineering applications, offering a wealth of practical examples.

Written in a detailed and fascinating manner, this book is ideal for general readers interested in the English language.