One of the most twisty, surprising, engaging page-turner YAs you’ll read this year—We Were Liars with sci-fi scope, Lost with a satisfying resolution.

Cee awoke on an abandoned island three years ago. With no idea of how she was marooned, she only has a rickety house, an old android, and a single memory: she has a sister, and Cee needs to find her.

STEM prodigy Kasey wants escape from the science and home she once trusted. The eco-city—Earth's last unpolluted place—is meant to be sanctuary for those commited to planetary protection, but it’s populated by people willing to do anything for refuge, even lie. Now, she'll have to decide if she’s ready to use science to help humanity, even though it failed the people who mattered most.