Echoes of Azure (Guardian, #1)

I was fourteen, almost fifteen, the first time I saw him die.

Amy never wanted to be a hero. But when the terrifying nightmare that has been plaguing her for weeks starts playing out right in front of her, she does what anyone would do— she saves the boy from her dreams, Sam Perez.
Except Sam isn’t safe for long, and Amy finds herself racing against time. She must learn to handle her strange ability and protect Sam from something she hasn’t even begun to understand. Before it's too late for b...