The Spring of the Sentinels by Eduard Lerperger

A small town plagued by mysterious disappearances. A girl tormented by apocalyptic dreams. An impending alien invasion. Welcome to Aurora Bay, Oregon—a picturesque town turned epicenter of strange and otherworldly events. After surviving a traumatic earthquake in town, Ava Mason, a 16-year-old book-lover, reluctantly returns to the place she once called home. Her life takes a turn for the surreal as she's caught up in a web of chilling disappearances and unsettling nightmares that bleed into reality. These dreams hint at a destiny tied to the mysterious Sentinels—towering entities of unfathomable power. When Ava crosses paths with Hailey, a secretive girl whose robot insists Ava is its rightful owner, the mystery deepens. Ava must confront her past, her fears, and unlock the secret of the Sentinels to stop the impending alien apocalypse. Each revelation plunges Ava further into a cosmic chess game. She's forced to grow and make hard decisions that could trigger dire consequences. She might be humanity's only hope. With the weight of the world on their shoulders