We die together

"Promise me that we will die together because you would if you'd truly love me."

And apocalyptic romance book.

When the earth gets poisoned, people can't live on it, plant and harvest their food, or walk on it.
People have to find a new way of living, and those become the Living Trains.
They keep moving, have space for families and for food.
People- survivors -sometimes fight for them to have a place to live.

And soon, the Earth isn't anything else than a big train track.

Enn is a 15 year old teenager who is trying to survive the disease with her friends. This book tells the story of her life, surviving, and first love...