Tom Adelstein became an author in 1985 and has published and written prolifically ever since. Tom's career began as an investment banker. In the early years of PC computing, he saw the need for financial service applications and with the help of the investment community brought those applications into existence. He began using Linux in the 1990's and has used it extensively ever since. Tom's last book,"Linux System Administration" hit number seven (7) on Amazon's Technical Best Seller list in 2007. He also won the "Linux Journal Reader's Choice Award" in 2008. Currently, Linux System Administration has been published in 14 languages including Chinese, Japanese, Russian, Spanish, French, Turkish, German , Croatian and, of course, English. Tom has worked as a writer for hire (ghost writer) and has written numerous books and magazine articles for well-known and smaller publishers.