I wasn't sure at first that this would be a story aimed at a younger audience until the MC started saving her money to buy her own spider.
As a YA (or "girl who wants her very own horse") story, it was pretty good. The worldbuilding was well-done. But I see where others have said "it's just SF thrown on top of an existing plot".
I think there's a difference between just throwing SF on a well-used plot and writing an SF story that draws from existing story archetypes. Star Trek was sold as "Wagon Train to the Stars", but it became more than the sum of its parts (about 50% of the time, anyway). I'm not sure that this story is capable of becoming more than the sum of its parts -- pretty as those parts were.
I was also rather amused that the name chosen for the MC was "Jaiden". I've discussed in the past (perhaps on this forum, perhaps on another) about the use of "nontraditional" names (as opposed to, say, Jenny or Alice or Sarah). We didn't meet any of Jaiden's friends, so I'm not sure what her other friends might be called (though I bet there's an Aiden, a Xander, and one or more girls whose names start with K and include at least one A, one Y, and one N). Also, while the story wouldn't have benefited from this expansion, I am rather interested in knowing more about Jaiden's contemporaries.
The reading was fine. Easy to listen to while walking.