This is a review of the 1999 edition, which includes a special afterward by Anthony about the influences that went into the writing of this book. He notes that this was the last novel that ever started off life in pencil. Afterwards, everything would be written on computer. He was also working on not one, not two, but THREE other books while writing this one (two Xanth and one Incarnations of Immortality). Anthony was nothing if not prolific.
This was first published in 1985, so things like the Internet are conspicuous by their absence. However, even science fiction writers can't think of everything.
This is the worst book in the series so far, partly due to long, slow chunks of text trying to explain the science of the time, but mostly because it was about politics. Primarily, American politics. There is a good reason why most Americans know eff all about the politics in their own country -- because it's boring as hell. Anthony, British by birth but had been living in America for decades when he wrote this, knows more about Anerican politics than most of the natives.
Our Protagonist is classified as a liberal, but is sure to do something that will piss off modern day American liberals and conservatives. This book mentions issues that were prominent in the early 1980s -- and sadly, most are still relevant today. The United States of Jupiter is patterned identically to the United States, so issues like privatized medicine and the Electoral College were sad to read, since not even 600 years in the future could Americans figure out what to do. It was also painful to see that out of all of Anthony's characters, it had to be President Tocsin was the one that became reality.
Our Protagonist is at times numb in his memoirs this time around, which does get explained away at the end, but made for some tiresome reading at times. There was also some over the top bits of melodrama that left a very strong taste of cheese in my mouth.
And one more thing ... a flat tax would never work.