The aim of this book is to give an elementary treatment of multiple integrals. The notions of integrals extended over a curve, a plane region, a surface and a solid are introduced in tum, and methods for evaluating these integrals are presented in detail. Especial reference is made to the results required in Physics and other mathematical sciences, in which multiple integrals are an indispensable tool. A full theoretical discussion of this topic would involve deep problems of analysis and ...

A completely new full-colour edition of the popular guide to scienceFirst published in 1989, this is the third edition of the popular Gem Basic Facts Science. The Basic Facts series is a series of illustrated gem dictionaries in important school subjects.

Circle and Sphere is a picture book containing 12 full color professional photographs of circles and spheres. The objects are common items, such as orange slices and the wheels of a bike. Your child will learn there are circles and spheres everywhere! Simple captions with each picture encourage reading. A cheerful picture book that can be enjoyed by the child alone or with a parent. Appropriate for ages zero through six.

Isabel Williams (Is for short) is something of a challenge, even for her best friend Robert. As a new girl at a 1970s comprehensive she seems vulnerable, but she soon starts putting her teachers in their place with her amazing knowledge of science, bridges and the great Victorian engineer Isambard Kingdom Brunel. Robert soon finds himself dodging school to visit antiquated lift shafts and getting lost in the science museum in a bid to keep up with his mercurial fellow pupil, who at times a...

Short stories designed to help kids learn how to read and learn to love readingA Trip Through the Body is a "Reading Alone" reader, perfect for children who are proficient readers. These short stories for children develop the habit of reading widely for both pleasure and information. DK Reads proves that good reads build great readers.Follow Dan and Mya on their journey around the human body as they're shrunk using exciting new technology. Propelled around...

Wow! A snowstorm on a school day turns into a blizzard. Cody is afraid he could be stuck in school until summer! Bel the Weather Girl helps her friends understand what makes some snowstorms change into blizzards. Will the storm let up before school is out? Stay tuned, because every day is another weather day!

This book represents an attempt to fully review the phenomenon of the blogosphere. The intention is to provide a reliable guide to understanding and analyzing the world of the unimaginable number of diverse blogs, each consisting of innumerable posts, which in their entirety form the blogosphere. We go on to answer the questions of how to grasp the complexity of the blogosphere and extract useful knowledge from it. In setting out to write this book, our central aim was to increase the read...

This book provides up-to-date information about the Earth, including facts about its atmosphere and its composition and space travel.

This volume consists of lectures delivered at the Sixth Inter national Nathiagali Summer College on Physics and Contemporary Needs held at Islamabad from June 15 to July 2, 1981. The College used to be held at one of the scenic hill resorts of Pakistan, Nathiagali, hence the name of the College. The College was organized by the Pakistan Atomic Energy Commission (PAEC), under the patronage of the International Centre for Theoretical Physics (ICTP), Trieste, with a view to providing an oppor...

Taxonomy is an ever-changing, controversial and exCitmg field of biology. It has not remained motionless since the days of its founding fathers in the last century, but, just as with other fields of endeavour, it continues to advance in leaps and bounds, both in procedure and in philosophy. These changes are not only of interest to other taxonomists, but have far reaching implications for much of the rest of biology, and they have the potential to reshape a great deal of current biological...

The first edition of our Handbook was written in 1983. In the preface to the first edition we noted the rapid development of inductively coupled plasma atomic emission spectrometry and its considerable potential for elemental analysis. The intervening five years have seen a substantial growth in ICP applications; much has happened and this is an appropriate time to present a revised edition. The basic approach of the book remains the same. This is a handbook, addressed to the user of the t...

Which animal has the biggest eyes? What's inside your ear-holes? Why do sweaty socks smell so stinky?Glenn Murphy, author of Why is Snot Green?, answers these and a lot of other brilliant questions about the five senses in this funny and informative book.Packed with doodles and information about all sorts of incredible smelly things, like why sprouts and ice cream taste so different. Poo! What IS That Smell? contains absolutely no boring b...