This books tells the surnames of all hereditary werewolf lineage. Anyone who has the genetic code in their family tree will know from this book. It also has the locations of current werewolf dens. It has a list of known vampire locations and house/order locations and names. It has locations, names, tribes of shapeshifters. This is the only book that has a list of known monsters that are left in our world by Lat/longitude identifiers. This includes all fae gates and all dimensional gates located on our world also by longitude and latitude identifiers.