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 Dictionary of Gems and GemologyThe rapid growth of gemological sciences and mineralogy requires a comprehensive dictionary for gemologists, mineralogists, geologists, jewel dealers, industry, and hobbyists. The third edition of this dictionary contains about 24,000 entries – about 4,000 more than the second edition. The comprehensive definitions are now completed by... |  |  Essential MicrobiologyEssential Microbiology is a comprehensive introductory text aimed at students taking a first course in the subject. Covering all aspects of microbiology, it describes the structure and function of microbes before considering their place in the the living world. The second half of the book focuses on applied aspects such... |  |  Totality: Eclipses of the SunA total eclipse of the Sun is the most awesome sight in the heavens. Totality takes you to eclipses of the past, present, and future, and lets you see--and feel--why people travel to the ends of the Earth to observe them.
An absolutely indispensable resource for anyone who plans to observe an eclipse, and a must read for all... |
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