The Common Symptom Guide is the most trusted and easy-to-use reference for quickly and accurately evaluating and treating patients based on presenting symptoms.

Based on the Oxford Dictionary of English Etymology, the principal authority on the origin and development of English words, The Concise Oxford Dictionary of Etymology contains a wealth of information about the English language and its history

The Oxford Dictionary of Art and Artists - the best-selling and authoritative dictionary covering Western art from the ancient Greeks to the present day.

Collins Thai Gem Dictionary offers learners extensive and up-to-date coverage of Thai and English in a compact, portable format. This Thai dictionary is designed for all levels of language learner, whether at home, at school, or at work. It is the ideal text for anyone who needs a wealth of reliable information in a portable format.

Collins Mini Gem English-Spanish & Spanish-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Spanish and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Japanese-Thai & Thai-Japanese Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Japanese and Thai of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Korean-Thai & Thai-Korean Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Korean and Thai of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-Croatian & Croatian-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and Croatian of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-Czech & Czech-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and Czech of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-Danish & Danish-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and Danish of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-Greek & Greek-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and Greek of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-English & English-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-German & German-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and German of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-French & French-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and French of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-Italian & Italian-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and Italian of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-Spanish & Spanish-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and Spanish of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Thai-Finnish & Finnish-Thai Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Thai and Finnish of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

The Audio Collins Mini Gem Danish-Greek & Greek-Danish Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Greek and Danish of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

The Audio Collins Mini Gem Danish-Finnish & Finnish-Danish Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Finnish and Danish of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Danish-Croatian & Croatian-Danish Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Croatian and Danish of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.