First edition, first state of the final novel and the thrid in the loose trilogy preceeded by ' El túnel' and 'Sobre héroes y tumbas;' representing the author's most experimental work due to its fragmented narrative structure. In original paperback wrappers with white and orange to covers and spine. Some creasing, including to spine, shallow chipping, and gernally worn but solid. Interior flaps present and holding firmly, no clips. The interior is lightly and evenly toned, otherwise it is clean and clear. Pages:528 (8) Dimensions:7 x 5 x 1.