Fenómeno fotolibro" pays homage to the photographers who have considered the book as the ideal space for their photographs to make sense. Its pages reflect the influence of essential publications such as New York by William Klein, protest photobooks, vernacular photography, the perspective of the collector, the libraries of great masters, and a showcase of the most creative works by contemporary authors. The authors of the selected works are some of the key figures in this movement, including notable names like Martín Parr, Gerry Badger, Horacio Fernández, Ryuichi Kaneko, and Markus Schaden. Through the diversity of themes they address and their committed proposals, the pages of this book provide a multifaceted and indispensable approach to the universe of the photobook.