Do you know your book?

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Across
  1. 2. Main antagonist
  2. 3. Other term for gathering
  3. 6. Terrible feeling in the stomach
  4. 7. Kids lack ____________
  5. 9. Result of the kids rescue
  6. 10. Twins duty
  7. 12. Author
  8. 14. Missed the signal the first time
  9. 18. The objective
  10. 21. "kill the pig, cut its throat, spill its _____"
  11. 22. Nothing but play
  12. 24. Little chubby
  13. 25. Debris near the island
  14. 26. Kids ____ the beast
  15. 27. Source of meat
  16. 28. Unnoticed character
Down
  1. 1. Tool the man used to land on the island
  2. 4. Ralph's father's profession
  3. 5. Right of speech
  4. 8. See through his point of view
  5. 9. Surrounds the island
  6. 10. Lord of the _____
  7. 11. Hunting formation
  8. 13. Jack was firstly referred to as
  9. 14. Hallucinate's
  10. 15. Satisfies thirst
  11. 16. Form of food
  12. 17. The hunted
  13. 19. Some kids are dead
  14. 20. Fire starter
  15. 23. Hunting tool