CELS (Certificates in English Language Skills) is a new qualification from the University of Cambridge English for Speakers of Other Languages (ESOL). The student's book has four separate sections: reading, writing, listening and speaking. Each section includes preliminary test information and advice, preparation exercises and test practice tasks. All the CELS Preliminary text and task types are included as well as tapescripts for the listening and speaking sections. The book is accompanied by a free audio CD. The student's book is also available in split editions.