The “for Dummies” books are always a good read to get started on new technology. There are several sponsored special editions available as PDF. HP Virtual Connect for Dummies is a nice start for getting knowledge of HP technology. More info and download here.
Cloud Computing for Dummies is a good read if you want to know more on cloud computing. The book has 6 chapters and 42 pages. Chapters are called Cloud Basics, Getting Inside the Cloud .Managing Cloud Services, Harnessing Cloud-Enabling Technologies, Six Questions to Ask