Book Title init

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Across
  1. 4. Group related by blood (6)
  2. 5. How many people needed for a threesome (5)
  3. 7. My incredible other half who created this crossword (3)
  4. 8. You find these in a book (5)
  5. 9. A pair (2)
  6. 10. Opposite of out (2)
Down
  1. 1. Red planed with an extra R (5)
  2. 2. How many of us in book club (5)
  3. 3. Opposite of throwing something out (4)
  4. 5. ... End (3)
  5. 6. Hannah 2's husband (4)
  6. 10. You'll float too with this clown (2)