Cuadernos Postal (Postcard Notebooks) is a collection of monographs on artists and architects. Each ‘notebook’ contains a small book, a folded poster and a series of postcards. The design concept (as the title of the series suggests) is based on the vertical line that divides the reverse side of standard postcards. Simple changes in colour help distinguish the titles. Bold, typographic covers give the collection a strong and visible identity. Special attention was paid to the choice of paper stocks, the colour combinations and small details like the use of black staples on the spines in order to give the series a distinctive and not too precious feel.