Book excerpt: This elegant new volume combines Edith Wharton's sensual prose tour of Italy's most gorgeous gardens with stunning photographs that capture these lush spaces in all their past, present, and enduringly haunting beauty. Wharton devotees, gardeners, and Italophiles alike will delight in following in the writer's turn-of-the-century footsteps. 30 historical bandw photos. 180 modern color photos.