First, let me say that I own both a paper copy and the electronic, Kindle edition of this book. The text is fabulous, it is easily the best reference available on FCC spectrum allocations, and gives a little bit of technical and regulatory history as well that is a tremendous help in understanding how things got to be the way they are. My only complaint about the text of the book is that it needs a new edition since a lot has changed since it was published (digital TV transition, rebanding, etc.).
It seems that the Kindle is a format designed for reading novels where one begins at page one and methodically proceeds one page at a time in sequence until reaching the end. I don't think anybody (with the possible exception of his editor) reads Bennett Kobb's book that way. The Kindle format makes it incredibly hard to search the book by providing precious few hyperlinks (really, only in the table of contents which, of course, just lists the frequency categories HF, VHF, UHF, etc with no finer grained detail). Unbelievably, the index contains neither hyperlinks nor page numbers, which means in reality it is just a list of words that appear in the book with no indication as to WHERE they appear in the book. And there are no hyperlinks within the text itself, even in places where the semantics are begging for one (e.g. the many references to "DTV, see 470-512 MHz"). More generally, the Kindle page-by-page interface makes flipping through the book to find the information you want excruciating.
My guess is that the publishers had the text in electronic form, so it was easy to produce a Kindle edition. But they didn't bother to invest the effort required to really adapt the book to the new format.
Thus three stars: five for the original book and zero for the Kindle formatting.