Box Set: If on a Winter's Night a Traveler, Invisible Cities, The Baron in the Trees

Harcourt Brace Jovanovich Paperbacks in slipcase. Three books in pristine condition; covers and pages clean and unmarked; bindings intact. Size 8.5" by 5.5". Slipcase intact, tight, protects the books; shows some shelf wear along edges and corners, but no breaks, tears, or rips. Slipcase has QPB symbol on spine for Quality Paperback Book Club but books do not so indicate. "If on a winter's night a traveler" is 260 pp; copyright 1979; translated by William Weaver; ISBN 0156439611. "Invisible Cities" is 166 pp; copyright 1972; translated by William Weaver; ISBN 0156453800. "The Baron in the Trees" is 218 pp; copyright 1959; translated by Archibald Colquhon; ISBN 0156106809.