The Encyclopedia of Life Sciences volumes 1-26 comprises the original 20 volumes of ELS (published in 2002)  plus six supplementary volumes (published in 2007). Volumes 21-26 collates all the information that has been added to the online version on WileyIntersciences since the publication of the first 20-volume set. Together, they provide the reader with the most comprehensive and the up-to-date information in Life Sciences.
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The Encyclopedia of Useless Information

Discover what all the other encyclopedias leave out This is the superbly satisfying compendium of weird factoids too interesting to be contained in your average encyclopedia. Daring to cross-reference the un-cross-reference-able, to alphabetize what cannot be alphabetized, and to deliver the highest concentration of fun that can fit in one book's spine, this information is too useless to waste:

Junior Worldmark Encyclopedia of Physical Geography (5 Volume Set)

With assignments based on geography or a student's ethnic and cultural background as staples in many middle schools today. A new resource devoted to physical geography. Designed specifically for students in grades 5-12, this 5-vol. Set includes information on physical properties and characteristics of nearly 200 countries. Included are approximately 200 alphabetically arranged entries; 200 maps; 450 black-and-white photographs, illustrations, graphs and tables; "Words to Know" section; world rankings; and a general index.

В словарь включена лексика, перевод которой зачастую представляет трудности для гидов-переводчиков, сопровождающих туристические группы на экскурсиях, при посещении музеев, парков, ресторанов и т.п. Необходимость перевести реалию, специальный или редкий термин может возникнуть также у любого человека, работающего с английского языком.
Словарь предназначен прежде всего для устных переводчиков, гидов и экскурсоводов, но также полезен и для широкого читателя.

Russian-English Dicitionary for Escort Interpreters and Tour Guides

A Dictionary of Virology,3 Edition

This third edition of A Dictionary of Virology offers an authoritative, concise, and up-to-date list of all viruses affecting vertebrate species, from humans to fish. It has been completely revised since the 1997 edition to include 25% more entries, including many completely new viruses. The entries have been restructured so that all viruses are listed and classified in accordance with the standards set by the 7th Report of the ICTV.