“Immediate, visible, talking, colorful“: are the typical characteristics of the Pop Design that transfigures the daily use objects to transform them into fun, crazy and uninhibited pieces. Libro, cult creation from 1970 of Gianni Pareschi, is an unique product, deservedly exposed at the permanent exposition of the Museum of Modern Art – MoMa of New York, among other icons that have marked the history of design. An ironic product, of an eccentric language and a playful image, but at the same time strongly innovative in the usage of technologies and materials. The supporting varnished metal frame, articulated in the middle to knocked support the seat articulator of pages hinged on the same frame. By “folding the armchair”, every page corresponds to a different seat position. The padding is in C.F.C.- free, non -deformable polyurethane foam and 100% polyester fiber. Technology Busnelli_Lab