John Rose 
Danny Bell and The Vershire [EPUB ebook] 

Excessum drastically changed Earth 173 years ago, but Danny and his sister Maggie have never experienced the world they’re about to encounter. After living in Daeland for the entirety of their young lives, they are sent over 3, 000 miles away with their aunt and uncle to a new country where they could stay out of the way of the dangerous Damon Skelter. While making new friends, flying around in the Tri-Ball dome, and learning about weapons and crystals, Danny quickly is enthralled in his new life, however one night things go awry. After an encounter with a large golden bear, his world is turned upside down…