Dan Simmons - The Hyperion Cantos ⭐

That night, I left him and walked into the Valley of the Time Tombs alone. The anti-entropic fields made my skin crawl. My internal chronometer—never wrong in forty years—began to stutter. Past and future bled like wet paint.

“What, then?” I whispered.

“You’ll hear them singing,” he said, pouring a glass of genuine Château Chiavari. “The Shrike’s tree. The steel thorns. Don’t go into the Valley at night.” Dan Simmons - The Hyperion Cantos