When Leo, a fifteen year old boy, discovers that he has been chosen as a liberator who's sole purpose in life is to protect and maintain peace, he is overwhelmed. With time, the young liberator makes incredible sacrifices for the ones he loves as he prepares for the impending war. He learns the art of his lost peers, finds his way through a maze of entangling oaths, and deals with the pain of love. A war, revolving around Leo, is being waged between the Veldin Empire and the Irrutian Empire. Can Leo, a mere teenager, master his powers and save the world?

This book explores the most important aspects of the biology, ecology and management of -the world's worst weed.- Covering its mode of spread and its impacts upon agricultural production, the environment and human health, it also reviews management techniques such as biological control, cultural, physical, and chemical approaches. Suitable for researchers of plant ecology and related subjects, it also considers the possible uses of Parthenium weed, its distribution and the impacts of climate change.