The Martian

Excerpt: "He was frightened. Now that he was so near to what he had been seeking, his courage left him; and he lay trembling, flat on the ground, awed by the booming voices of the creatures.They must be very large, he thought, to utter such deep tones. He had lain there for perhaps five minutes, when, suddenly, there came a rending crash; and, peering ahead, he saw the green top of a tree sway violently, sink, and disappear from sight. At the same time there came a louder cry, followed by the blending of two thunderous voices, speaking simultaneously.... Then a heavy thud, and another cry..."