PET is an exam for people who can use everyday written and spoken English at an intermediate level. It covers all four language skills — reading, writing, listening and speaking. Preparing for the exam is a popular way to develop and improve your language skills because it provides practical language practice in a variety of everyday work, study and leisure situations.

PET reflects the use of language in real life, such as understanding signs and announcements, and is accepted by many employers as proof of ability to use English in clerical, secretarial or managerial jobs. It is also widely accepted for use in jobs where spoken English is necessary such as tourism, retail, construction, manufacturing and engineering.

The purpose of this book is to help scientists and students of the sciences in all disciplines to prepare manuscripts that will have a high probability of being accepted for publication and of being completely understood when they are published. Because the requirements of journals vary widely from discipline to discipline, and even within the same discipline, it is not possible to offer recommendations that are universally acceptable. In this book, I present certain basic principles that are accepted in most disciplines.