1.: Brief History. 2.: Nature and Properties. 3.: Strong Hydrogen Bonds. 4.: Moderate Hydrogen Bonds. 5.: Weak Hydrogen Bonds. 6.: Cooperativity, Patterns, Graph Set Theory, Liquid Crystals. 7.: Disorder, Proton Transfer, Isotope Effect, Ferroelectrics, Transitions. 8.: Water, Water Dimers, Ices, Hydrates. 9.: Inclusion Compounds. 10.: Hydrogen Bonding in Biological Molecules. 11.: Methods