Saving the World and Other Extreme Sports

This series seems a little juvenile, but it is from the point-of-view of a 14 year old who didn't grow up like anyone else on the planet (besides her 4 ‘siblings') but I like the ideas presented as well as the well developed character personalities. Though it may be a little hard to read if you're picky or get bored with easy reads, but I'd say that these exciting adventure novels can be worth it.
I do hope this isn't the last book in the series.