Answer:
- The outsider (by Colin Wilson)
- prey (by John Sandford)
- state of fear (by Michael Crichton)
The Long Walk and The Dark half are both written by Stephen King.
He Green Knight<span> says that he will allow whomever </span>accepts<span> the </span>challenge<span> to strike him with his own axe, on the condition that the challenger find him in exactly one year to receive a blow in return. ... As soon as Arthur grips the </span>Green Knight's<span> axe, Sir</span>Gawain<span> leaps up and asks to </span>take<span> the </span>challenge<span> himself.</span>