In this book you'll discover what constitutes a 'supercomputer', how the supercomputers of today function, how you can make your own computer into a super machine - through networking - and what tomorrow holds in store for computer usage in terms of hardware, software and everyday applications.
Scientific American, as an institutional author, is a popular science magazine founded by Rufus M. Porter and controlled by Nature Publishing Group since autumn, 2008. Mariette DiChristina has been editor-in-chief since December, 2009.
Emphasis on hardware makes this a bit dated. The historical sections at the beginning are interesting, and the discussion of computational fluid dynamics are good.
An updated edition discussing current systems would be good.