"Agua" is a common title for Spanish-language works. A notable recent "Agua" related book is Agua: A Novel by Begoña Oro, or various scientific papers on water management.
Most EPUBs include the back-cover copy on one of the first few pages. Agua - Alex Roma.epub
If you have the .epub file on your device, here are the best ways to get a summary: "Agua" is a common title for Spanish-language works