English as a Global Language (Canto), David Crystal

The Learner-Centred Curriculum: A Study in Second Language Teaching, David Nunan

Language Leader Elementary Coursebook and CD-Rom Pack., David Cotton

Language Leader Elementary. Workbook with key (+ Audio CD), David Cotton

The Learner-Centred Curriculum: A Study in Second Language Teaching, David Nunan

The secret language of success: How to read and use body-talk, David Lewis

The Java Programming Language, Ken Arnold, David Holmes et James Gosling

Teach English As a Foreign Language: A Teach Yourself Guide, David Riddell