Would Ukraine withstand without bravery and courage of the volunteer battalions? What is the essence of the volunteer battalions' movement and where are its origins? What was the role of the volunteers during the most crucial stages of the battle of Ukraine against the hybrid aggressor? What awaits the volunteer battalions in the future? A group of experts and journalists decided to address these questions. The "Volunteer Battalions" project is a chronicle of history of the movement and, at the same time, reflections and thoughts upon its origins and nature. Forming of the volunteer battalions, their tour of duty and contemporary state are described in this books, told straight by the immediate parties, politicians, civil activists and volunteers.