This gets two stars only because it includes a floppy disk of MIDI files of examples. But not everyone has a floppy drive anymore. (By the way: MIDI or 'musical instrument digital interface' is the language a computer and an electronic keyboard [or other instruments nowadays] use to communicate. Sequencing software is rather like a recorder or stenographer in that the computer captures every nuance of each note one plays. Editing is a lot like correcting, copying, and moving around words in word processing programs. Adding a swirling bell voice here, transposing a tune by a few steps, and so many other possibilities let me feel as if I were painting with the notes of instruments and tones.)
It's unusual for me to be negative about the totality of a book, a movie, or whatever; however, this how-to from the press for reknowned Berklee College of Music barely scratches the surface of the amazing art of combining notes and sounds to become a symphony or a jazz trio. I kept expecting more as I progressed through this short paperback, but by the end this seemed to have been the semester project of a frosh or sophomore for which he'd earn a B- for submitting it by the deadline. There are lots of bits of information needing further explanation or exploration. Things are brought up but not developed in a way which would help a beginner. And there just ain't much for someone with experience.
Considering that a major pro musician is quoted on the backcover saying, among other sentiments, it's "A Godsend". It was this review which hooked me into buy "Arranging". Now I'm wondering about this musician or the editor of critical reviews.
If I were to try to direct a beginner to real help, I'd suggest studying the manuals which came with her keyboard and software. Usually these are very useful as one develops a foundation of understanding this digital musical world. I'd also tell her to re-re-re-read the manuals every so often. Then there's the internet. Frankly, there are some major which let us access among the best resources on MIDI and digital recording -- for the beginner to the expert.