The World Above by Cameron Dokey
A Retelling of "Jack and the Beanstalk"
Gen lives in the World Below. When her twin brother, Jack, trades the family cow for magic beans, Gen is furious, but, to her surprise, their mother is not-she's happy. She tells the twins that the stories she told them about the World Above are real, and the beans will grow magic beanstalks so they can climb there.
In the stories, Gen's mother was the duke's wife, but she had to escape when her husband was murdered. Now, she knows she can go back with her children and claim what is rightfully theirs.
But when Jack doesn't come back from the World Above and Gen goes after him, they realize that things are much more complicated.
"I'm sorry I never really believed," I said. "Not the way Jack did."
"It doesn't make any difference," my mother replied. Her eyes focused on the beanstalk for a moment, then returned to mine. "You believe now. Be safe and smart up there, my Gen. Be yourself.
Before I could answer, my mother turned away and walked quickly toward the house. I turned to face the beanstalk.
There is no going back, now, I thought.
For better or worse, there was only going forward. There was only going up. Seizing the trunk of the beanstalk with both hands, I pushed of from the World Below and began to climb