"Start testing your vocabulary" is the best selling series of vocabulary practice books by Peter Watcyn jones. This book is ideal for self study.
It includes;
>Approximately 6,400 new words & phrases to learn & use in the series, from beginner to advance
>Vocabulary practiced & revised from level to level
>A wide variety of test types
>A complete answer key
The download link is as follows;
Test your Vocabulary E-book