The new listing of the Top 25 most downloaded Earth & Planetary Sciences articles 
is now online! 
Simply select the journal of 
your choice on http://earth.elsevier.com

For direct online access to the complete Elsevier earth & planetary sciences program go to: http://earth.elsevier.com

Visit the Elsevier display at the AGU Ocean Sciences Meeting,
26-30 January, 2004 in Portland, Oregon 

New journal titles in ContentsDirect!
Many Academic Press and Harcourt journals have now been included in ContentsDirect, the FREE alerting service which delivers journal tables-of-contents and abstracts directly to your desktop. For the complete listing of new journals in ContentsDirect and to add some of these journals to your current ContentsDirect registration, please visit:
http://contentsdirect.elsevier.com/Extra.html

MAJOR REFERENCE WORKS  

Treatise on Geochemistry  
Executive Editors: Heinrich D. Holland and Karl K. Turekian
  * The Ultimate Reference Work on Geochemistry from Elsevier
     is now available * 
This is the first time that one work provides comprehensive coverage of the full range of disciplines and topics in the field of geochemistry!. 
It will also be available online via ScienceDirect Spring 2004.  
Contact our sales office to order your copy today at the 
20% introductory discount (valid till 1 March 2004)

> Print: http://www.treatiseongeochemistry.com

Encyclopedia of Geology  Editor-in-Chief: Richard C. Selley
      * price has now been fixed *
This unrivalled, five-volume reference work covers all aspects of geology including earth history, earth materials, surface processes, regional geology, economic geology, engineering geology, petroleum geology, geochemical and mineral exploration, and the history of geology.
Five-Volume Set, ISBN: 0-12-636380-3    Available December 2004
SAVE 20% on the Print Version with our INTRODUCTORY DISCOUNT
Introductory discount price: 960 USD / 620 GBP* 
List price: 1200 USD / 775 GBP 
*Introductory offer price expires three months after month of publication

> Print: http://www.encyclopediaofgeology.com/

Encyclopedia of Atmospheric Sciences:  Editor-in-Chief: James R. Holton
      * now also available online on ScienceDirect *
A unique wide-ranging encyclopedia covering all major aspects of atmospheric science and related subjects such as oceanography and hydrology. As well as the traditional topics of atmospheric dynamics, cloud physics, and weather forecasting, more recently established fields such as atmospheric chemistry and global climate change are fully covered. 

> Online: Search | General Info | Authors | Article Titles | Subject Index

> Print: http://www.elsevier.com/locate/isbn/0122270908

Encyclopedia of Ocean Sciences:  Editor-in-Chief: John H. Steele
        * now also available online on ScienceDirect *
An ambitious reference work that covers the physical processes that drive the oceans and the chemical, biological, and geological regimes. All methods of studying the oceans, from ship-based systems to satellite remote sensing are covered, as are ancillary topics such as the law of the oceans, use of the oceans for food and energy, and the impact of pollution and climate change. 

> Online: Search | General Info | Authors | Article Titles | Subject Index

> Print: http://www.elsevier.com/locate/isbn/012227430X

Encyclopedia of Biodiversity  Editor-in-Chief: Simon Levin
The Encyclopedia of Biodiversity brings together, for the first time, a study of the dimensions of diversity. It examination of the services biodiversity provides, and measures to protect it. Major themes of the work include the evolution of biodiversity, systems for classifying and defining biodiversity, ecological patterns and theories of biodiversity, and an assessment of contemporary patterns and trends in biodiversity.
> Print: http://www.bh.com/apcatalog/?isbn=0122268652

Seas at the Millennium   Editor-in-Chief: Charles Sheppard
Provides a comprehensive review of the environmental condition of the seas of the world, sea by sea and region by region. It focuses on all aspects of man's interactions with the seas and with their biological and physical systems.
> Print: http://www.elsevier.com/locate/satm