After two decidedly mediocre novels, Haruhi Suzumiya returns in a fourth installment that finally approaches the quality of author Nagaru Tanigawa's brilliant original. In a "It's a Wonderful Life" style twist, poor Kyon awakes one morning to a world mysteriously different from the one he left the night before. Among other things, his SOS Brigade friends no longer recognize him, Haruhi no longer goes to his school, and everyone and everything appears to be...normal! And the plot thickens from there.
The beauty of this story is how effectively it works on different levels. In one sense, it's a mystery, with the reader following Kyon as he searches for the cause behind his predicament. But it's also a tale of self-discovery for Kyon as he realizes, perhaps too late, the value of what he once had. And finally, it's a work of philosophy and moral complexity, as Kyon must ultimately choose whether to help convert the world back to its original state or simply leave well enough alone. Of course, the series' humor, romantic innuendo, and quantum conundrums also return, adding extra spice to an already engrossing tale. Even the translation work seems improved over previous installments.
That said, fans expecting a work of sheer hilarity will not find one here. While there are still some chuckles to be had, this story is an altogether more somber work than what the series has previously seen. Furthermore, the story's heavy emphasis on time-traveling leave it open to certain plot holes that are never explained to complete satisfaction. And lastly, the book concludes with a long-winded finale that still somehow manages, intentionally or not, to leave certain questions unanswered. Fortunately, these complaints are but nitpicks in an otherwise sublime read.
The Disappearance of Haruhi Suzumiya is a fine purchase for any fan of the franchise. The only real pity is that, as a light novel, it's a ride that ends all too soon.