Appointment with death

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Across
  1. 3. Amount of 'kids' Lady Boynton had
  2. 5. Who was the detective?
  3. 6. Where was a mark on the body?
  4. 11. Murderer
  5. 12. How did Lady Westholme die?
  6. 13. Lady Boynton's daughter
Down
  1. 1. Who did Raymond think killed his mother?
  2. 2. Was murdered
  3. 4. What was she injected with?
  4. 7. Cause of death
  5. 8. Where was the body found?
  6. 9. Author of the book
  7. 10. Why doesn't Dr. Gerard go on the hike?