Specially tailored to meet the needs of the user at home, school, or in the office, the Collins Thesaurus and the Collins English Dictionary are the perfect reference books for everyday use. Attractively packaged in a flexible slipcase, this is the ideal box set to take your language use and knowledge further. Based on Collins' 4.5-billion-word database of today's English, and covering a vast range of words and alternatives, as well as a huge choice of opposites. You will find all the words and definitions you need, with comprehensive coverage of the language we use every day. What's more, the helpful language notes throughout both books help you to choose the right word for your purpose, and clear, accessible layout ensures users can find the language they need when they need it.