The treatise describes the basics of attack and defense, both of which are intertwined in a straight line, otherwise you will not be able to attack and defend. With the help of this treatise, through the various ways of using weapons, strength, justice and speed are acquired. You will be able to imprint everything you have learned on your noble mind, and thanks to this frank story, extol your courage to perfection. Venetian fencing master Giacomo di Grassi. Translation prepared by the Research Institute for the Study of World Criminal Research on the Use of Weapons, under the direction of Dr. Oleg Viktorovich Maltsev. The book was translated by Irina Lopatyuk, Anna Filippova. This book is used at the Destreza Achinech School of Spanish Fencing.