The Sirens by Emilia Hart

2019: Lucy awakens in the middle of the night with her hands around her ex-lover's throat. Horrified she flees to her older sister's house on the Australian coast,  hoping Jess can help explain the vivid dreams that preceded the attack...
1800: twin sisters, Mary and Eliza are torn from their home in Ireland and forced onto a convict ship bound for Australia since their mother's drowning when they were girls, they've feared the ocean- but as the boat bears them farther and farther from all they know they feel the water calling to them. 
New, soft cover.