I heard it was written by the Artemis Fowl guy, which are mostly targeted to 12 year olds. I assumed it would not be any good. I haven’t heard anything either way officially.
Although “Reviewing the book in the Guardian, Mark Lawson described Colfer’s writing as “the best post-mortem impersonation I have ever read” and considered the book “a perfectly calculated adaptation”.[15] Curtis Silver of Wired also praised the book as a continuation of Adams’ story that only suffered slightly from some jokes being too cliché.[16] Other positive reviews came from The Times, where Lisa Turtle described it as “a fine job” and Euan Ferguson of The Observer wrote that “Colfer has pulled off the near-impossible.”[17]
Other reviews were more negative. Charlie Jane Anders of io9 described it as “more of the same” but without leaving an unique impression of its own, with the humour falling “incredibly flat”.[18] Private Eye summed it up as a “mostly humourless … lame re-animation” [19].”
Is the reviews on Wikipedia. So it sounds like he mimicked Adams’ style, but didn’t have any funny jokes. Sort of what I was expecting, but I was expecting him to be obviously attempting to mimic the style, without getting it quite right. So it is good to see that is at least done right.