The "Companion to Blockbuster 3" is specially designed to enrich and enlarge students' vocabulary, focusing on the use of words in their everyday context. It functions both as a dictionary and as a supplementary practice book, thanks to its comprehensive lexical exercises. The book consists of:- about 1000 vocabulary entries, with all the new words and phrases from the coursebook explained in detail and labeled according to parts of speech- pronunciation quide to all vocabulary entries- grammar tables in Greek- definitions of the words in English- accurate explanations in Greek- lexical exercises practicing all essential vocabulary as well as grammar exercises- glossary for "Blockbuster 3" workbook and grammar book