Deep by Melanie Bokstad Horev
Welcome to Deep Blue a submerged dystopia where the president's death sparks a dangerous quest for three friends. Can they break free from the oppressive underwater forces before it's too late? Dive into this thrilling YA novel of survival and rebellion.
Ryler is a young resident of Deep Blue, an underwater colony that's home to the last survivors of a global environmental disaster. A disaster that wiped out humanity hundreds of years ago, leaving the surface air toxic and the last hope of humanity beneath the waves. After the devastating and unexpected death of his grandmother, Marna, who also happens to be the president of the colony, Ryler teams up with his friend Anna to uncover the truth behind her suspicious demise.
Their investigation takes them down a dangerous path, as they discover shocking secrets and a killer on the loose who will stop at nothing to keep the truth hidden. With time running out and their own lives on the line, Ryler, and his friends must race against the clock to solve the mystery and escape the clutches of an invisible enemy. Will they make it out alive?