Dive into the extraordinary world of Ally Condie's novel. Twins. They were destined for a shared life. But fate separated them. "Bay, I miss you so much," she whispered into the shell. From within came a rushing song, reminiscent of a time when water and land were still one. Wherever her sister was on the surface, she had to find her - even though no one was allowed to leave the city under the glass dome. In a world divided between water and land dwellers, twin sisters Rio and Bay are separated by a tragic event. Bay embarks on her journey to the surface. Rio remains in Atlantia. To see her sister again, she must uncover why water and land were separated and what wonderful yet destructive gift connects the women of their family.