HarperCollins e-books

he grew aware of a strange expansion of his inner being, a kind of restive anxiety, a fervent youthful craving for faraway places, a feeling so vivid, so new or else so long outgrown and forgotten that he came to a standstill and—hands behind his back, eyes on the ground, rooted to the spot—examined the nature and purport of the feeling.
It was wanderlust, pure and simple, yet it had come upon him like a seizure and grown into a passion—no, more, an hallucination. His desire sprouted eyes, his imagination, as yet unstilled from its morning labors, conjured forth the earth’s manifold wonders and horrors in his attempt to visualize them: he saw.

As the only surviving offspring of the Peyton family, Annabelle and her younger brother had always been unusually close despite the ten-year difference in their ages

This is Mr. Simon Hunt