This is an excellent second installment that furthers the relationship between Nik and Alex, and it involves a whole lot of interesting ups and downs. I'm eagerly awaiting the third and final book in the series; this one left me primed and ready for the consummation of their relationship, and it gave me a deeper understanding of both of the characters and what makes them tick. If you're a fan of people getting together early in a series/book, this might not be for you, but I tend to enjoy the slow burn from time to time, and this delivers that with an excellent punch of sexual tension.
If you're a foodie, or just a fan of cooking shows/competitions, this is also totally up your alley. Even if you don't know a mise en place from a table setting, I think you'll find something to enjoy from the Appetite series--and it might just broaden your culinary horizons to boot.