This is basically a fun book that could have been much better. I liked it, but sad to say, it was a much weaker entry in the Zach Johnson-series than the previous three books. Maybe because it's a solo effort by John Zakour, without the influence of previous co-writer Lawrence Ganem? Anyway, it has some unevenly written parts that were missing from the other books. Not to mention, it has way too many grammatical errors; too many to be just a misprint or something like that. I do hope it's not John Zakour himself who made this many mistakes; either way, it sure could have benefited a lot from a good proofreader and/or editor because they were annoying and detracted from the flow of the story. So DAW books, please take notice!
Okay, besides that: it was fun meeting the last freelance P.I. on Earth again, and having him run into Santana Claus, wacky elves, murderous 'bots and other assorted crazy individuals while trying to save the world - again! Here's to more adventures of Zack, but please bring Ganem back if that's needed to improve the quality once more.