Amanda Feral is a sharp-tongued, pitiless advertising executive conducting an affair with her psychologist (the pay-off for which is very amusing) but otherwise living an emotionally cold life when she finds herself turned into a zombie. Determined to enjoy her afterlife more than her `real' life she embraces Seattle's undead underworld, populated by zombies, vampires, shapeshifters and demons who party hard and feed on the unsuspecting transients and vagrants living in Seattle's underbelly
Henry's zombie mythology is carefully constructed. Zombies are divided between those turned deliberately after being breathed on by another zombie (who retain self awareness) and mistakes (mindless creatures driven solely by their need to feed). Zombies can drink alcohol and eat human flesh but anything else goes right through them - literally. They also have to be careful about getting injured because with rare exceptions, they can't heal.
Amanda is accompanied by Gil, a needy gay vampire, and Wendy, a fashionista zombie. The plot hinges on the disappearance of a third friend, Liesl, a succubus. The disappearance is unsatisfying both for the lack of concern displayed by Amanda et al (evidenced by their delay in actually looking for her) and for the cursory resolution. Essentially, it's a hook to get to the main point of the story which is the creation of mistakes who are being unleashed on Seattle's unsuspecting population. There's also a lot of backstory given on Amanda and her friends, which is engaging but again gets in the way of the main plot. Amanda admits this (which makes it more forgiveable), but it comes across as padding. Finally, I didn't like the use of footnotes in the text. There were too many and it detracted from the main story - in some cases by killing punchlines or providing needless back information.
That said, there's a fine macabre humour to many of the set-pieces (a scene where a load of mistakes run amok in a Starbucks made me laugh out loud) and there's sufficient gory detail to make most readers squirm. If the villains are a little obvious, the path to their unmasking is entertaining and the final battle is fast-paced and action-packed. Henry shows attention to detail when it comes to the fashion and beauty regimes advocated by his main characters and the reapers - angelic looking little girls who eradicate the mistakes - are chilling.