Embark on a treacherous journey across the sea with Queen Bitterblue's sister, Hava, in 'Seasparrow,' the captivating fifth installment of the Graceling Realm series. As Hava traverses the ocean with her sister, royal companions, and the crucial zilfium weapon formulae salvaged from 'Winterkeep,' the voyage takes a dire turn. Storms cast their ship deep into icy northern territories, where the crew is forced into an extreme survival trek to reach Monsea. Struggling not only with the arduous situation but also with a mysterious crew member's secret, Hava's resilience and identity are tested. Amidst this relentless challenge, Queen Bitterblue grapples with the daunting task of wielding a weapon with world-altering potential. It's a race against nature and time for Hava to solve the unfolding enigmas and make life-defining choices in the world her sister seeks to shape.