Read "At the Earth's Core" by Edgar Rice Burroughs online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
I was unconscious little more than an instant, for as I lunged forward from the crossbeam to which I had been clinging, and fell with a crash to the floor of the cabin, the shock brought me to myself.
My first concern was with Perry. I was horrified at the thought that upon the very threshold of salvation he might be dead. Tearing open his shirt I placed my ear to his breast. I could have cried with relief -- his heart was beating quite regularly.