Nightmare's Edge

This fast-paced adventure fantasy trilogy starts with murder and leads teenagers Nathan and Kelly out of their once-familiar world as they struggle to find answers to the tragedy. A mysterious mirror with phantom images, a camera that takes pictures of things they can’t see, and a violin that unlocks unrecognizable voices . . . each enigma takes the teens further into an alternate universe where nothing is as it seems.

Nightmare’s Edge
In the final installment in the Echoes from the Edge series, one man alone knows the secret that can save the three Earths from imminent destruction. But, trapped in a dream world where nightmares come alive, this man requires saving. When Kelly sacrifices herself on Nathan’s behalf during a rescue mission
gone bad, and with the murderous stalker Mictar dogging his steps, Nathan is faced with a formidable task: find this mysterious man and Kelly, and heal the cosmic wounds before the three dimensions collide. With billions of lives hanging in the balance, failure is not an option.