Great reading if you are new to the Hydrogen scene to get a basic understanding. I will give the links to each chapter and the title.
Chapter 1: The Genesis of Water
Chapter 2: The Genesis of Living Organisms
Chapter 3: Water that Produces Disease
Chapter 4: Water that Cures Disease
Chapter 5: What is Active Oxygen?
Chapter 6: What is Active Hydrogen?
Chapter 7: What are Hydrogenases?
Chapter 8: Making Hydrogen Rich Water
Chapter 9: Feces Lose their Unpleasant Odor