Married By Morning Hathaways Series, Book 4.

For two years, Catherine Marks has been a paid companion to the Hathaway sisters-a pleasant position, with one caveat. Her charges' older brother, Leo Hathaway, is thoroughly exasperating. Cat can hardly believe that their constant arguing could mask a mutual attraction. But when one quarrel ends in a sudden kiss, Cat is shocked at her powerful response-and even more so when Leo proposes a dangerous liaison. Leo must marry and produce an heir w...