Love, Theoretically

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Across
  1. 4. A trope where characters become like family
  2. 5. A person who loves reading
  3. 6. Fields involving science, technology, engineering and maths
  4. 7. A popular story element readers love
  5. 8. Playful conversation between characters
  6. 11. Someone who adores books
  7. 12. Choosing a book based on your feelings
  8. 13. Theoretical physicist and main character
  9. 14. A scientist who studies physics
  10. 16. A romance that develops gradually
  11. 17. Elsie’s field of study
  12. 18. A romance trope involving pretending to be together
Down
  1. 1. A romance where hate turns into love
  2. 2. Experimental physicist and Elsie’s love interest
  3. 3. A perfect book rating
  4. 9. A connection between two characters
  5. 10. A romance dynamic between opposites
  6. 15. Books you want to read next
  7. 17. A high level academic degree