A Golden Age story that bears all the marks of "The editor asked for x words and I did my best. Sorry."
There's needless padding throughout the story. My guess is the author worked hard to get to the requested word count. Each padding reeks of "I'm going to throw things in until I figure out what I'm writing about."
Unfortunately, Piper never seemed to figure it out. The ending comes out of nowhere, is two steps away from Deux ex Machina, and greatly disappointing.
All of which is a pity as I normally love this kind of story - first contact, learn their language, communicate.
I'd like to say there's some technique worth learning and no, not even that.
Don't bother.