Paris Hilton celebrated her 27th birthday with a raunchy performance alongside burlesque revue the Pussycat Dolls on Saturday night. The hotel heiress, who turned 27 on Sunday, wowed onlookers by gyrating on stage in a succession of skimpy outfits in the Pussycat Dolls Lounge at Caesar’s Palace in Las Vegas. See more photo inside.

The de facto standard text for heat transfer - noted for its readability, comprehensiveness and relevancy. Now revised to include clarified learning objectives, chapter summaries and many new problems. The fourth edition, like previous editions, continues to support four student learning objectives, desired attributes of any first course in heat transfer:
* Learn the meaning of the terminology and physical principles of heat transfer delineate pertinent transport phenomena for any process or system involving heat transfer.
* Use requisite inputs for computing heat transfer rates and/or material temperatures.
* Develop representative models of real processes and systems and draw conclusions concerning process/systems design or performance from the attendant analysis

For the past three decades, Sonntag, Borgnakke, and Van Wylen's FUNDAMENTALS OF THERMODYNAMICS has been the leading textbook in the field. Now updated and enhanced with numerous worked examples, homework problems, and illustrations, and a rich selection of Web-based learning resources, the new Sixth Edition continues to present a comprehensive and rigorous treatment of classical thermodynamics, while retaining an engineering perspective.