This classic book is a seminal work on the use of grid-based design in graphic design and typography. Published in 1961, the book outlines the principles and techniques of grid systems, explaining how to bring structure, clarity, and consistency to design projects. It explains the mathematical and geometric foundations of grid systems and provides many examples of their application in various design contexts in book design, advertisements, and corporate identity, and more. The book includes instructions on how to create and implement grids, along with diagrams and illustrations to demonstrate their practical use. The author’s approach emphasizes the balance between creativity and rationality, showing how grids can serve as a tool for innovation while maintaining order. This book remains a cornerstone text in graphic design education, known for its logical approach and its lessons about cohesive and effective visual communication.