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Used price: $0.50
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A middle-weight message in a light-weight book
Wonderful BookIt is easy to take this book lightly. The cartoons in every chapter make it deceivingly simple. However, the stories are poignant and powerful. It deals with the tough issues many teens face with humar and accuracy. Everything from Anorexia to Drug use is discussed. Physical and emotional changes teens experience are also discussed. Although the text tooks like an easy read, the stories give you something to think about. For example, many young girls experience problems with body image. The books has a story about a girl who deals with this problem. When the story starts out, the girl is healthy. She is putting away the toys of childhood. A particular toy, a doll, tells the girl she needs to loose a few pounds. The girl has a normal body. In the drawings, it is depicted with two line for her body. Throughout the story, the lines for her body grow closer together. Soon, she is nothing more than a stick-figure drawing. During the story, the doll keeps telling the girl she only needs to loose a few more pounds. These are the types of images that young teen girls see and hear everyday. This story gives the reader the perspective of a young teen who faces this problem. The book holds no punches in dealing with the realities of growing-up. The illustrations which follow each chapter give the reader a better image with which to see events through the eyes of an adolescence. The book is easy to relate to and would be good for parents of teens or those who work with teens to read to help them remember what it was like to be a teenager.

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Devilishly Wonderful
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Couldn't put it down!
agent undercover rocks !
Sun, fun, and crime in Benidorm.
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An unnecessary revision to previous editions.
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A nice companion
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a must book for sports lover
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Author David Spector and the editors at O'Reilly achieve rare hacker-text synergy in recounting the adventure and in teaching the methods of networked hardware/software clusters in Building Linux Clusters, an extended how-to on coupling Linux boxes of all flavors (Alphas, Suns, 486 Intels, Pentiums) to work synchronously to compete with a multimillion-dollar supercomputer. Currently, the 62nd-fastest computer in the world is CPlant, a Linux cluster at Sandia National Labs (www.top500.org). The CPlant cluster is the equivalent of 1890 Intel-based Linux boxes that are running an expanded version of Don Becker's freely redistributable Beowulf platform for cluster operation.
The review of cluster building begins on hands and knees with an overview of networking basics: IP addressing and routing. Bandwidth and CPU-CPU timing requirements can be limiting factors; and, because interdependency is essential, proper design requires a weak-link analysis that establishes the compatibility of CPUs, buses, hard drives, Ethernet cards, hubs, switches, and routers. Strategies for cluster sizes from a few to several hundred are discussed.
In the book's second half, Spector turns his attention to cluster programming and applications, and describes tools, languages (where FORTRAN is still well regarded), libraries, and environments for parallel programming. Also, he gives examples of parallel virtual machines that serve MP3, persistence-of-vision graphics, and Web data to other devices or applications. Four brief appendices provide the essential technical details: an annotated Webography, a message-passing application programming interface, installation scripts for starting up the cluster of nodes at boot time, and a database to administer the activity of the nodes.
The fast pace and light pedantic touch in this book illuminate complexities and engender an excitement in the idea that new capabilities are yet to be found, if we all could just get along. --Peter Leopold

Good cluster overview - bad installation instructions
Perhaps a good IntroLet me back up a step or two.. My work wanted me to build a Beowulf cluster to have on hand for a possible product down the line. At the time this book was not available so I resorted to reading all I could online in the form of FAQ's, HOW-TO's and general information sites. They were very informative and gave me a good base and reference when it came to building the cluster.
While I was building the cluster, I finally received this book and was rather disappointed. The beginning was great, but the chapters regarding software to run the cluster were terrible. Too many pages were spent talking about cluster administration using -one- software package and installation instructions were too rudimentary. I figure, if you don't know how to install RedHat, you shouldn't be building a Beowulf cluster. There was also very little info about creating applications for the cluster. The book -is- titled Building Linux Clusters, but what good is a cluster without any software to run on it.
I guess I make it sound worse than it really is but the previous reviews make it sound better than it is. It's a great introduction to Beowulf clusters but coming from someone that built one, read as much as you can about clusters online, read this book, then just build one from the ground up. Don't use the included software the first time around. It may be a pain to setup at first, but once it works and comes time to building applications or using it for something useful, you'll be glad.
Amazing learning experience

