From the back cover:
"Two years ago, October "Toby" Daye believed she could leave the world of Faerie behind. She was wrong. Now she finds herself in the service of Duke Sylvester Torquill, sharing an apartment with her Fetch, and maintaining an odd truce with Tybalt, the local King of Cats. It's a delicate balance--one that's shattered when she learns that an old friend is in dire trouble. Lily, Lady of the Tea Gardens, has been struck down by a mysterious, seemingly impossible illness, leaving her fiefdom undefended.
Struggling to find a way to save Lily and her subjects, Toby must confront her own past as an enemy she thought was gone forever raises her head once more: Oleander de Merelands, one of the two people responsible for her fourteen-year exile. But if Oleander's back, what's her game? Where is she hiding? And what part does Toby's mother, Amandine, have to play?
Time is growing short and the stakes are getting higher. For the Queen of the Mists has her own agenda, and there are more players in this game than Toby can guess. With everything on the line, she will have to take the ultimate risk to save herself and the people she loves most--because if she can't find the missing pieces of the puzzle in time, Toby will be forced to make the one choice she thought she'd never have to face again..."
I think you would struggle with this if you hadn't read the preceding books - what's a Fetch, why does her niece Karen crop up, but only in dreams, who is Raj and so on. It's very much a continuation of a story in progress, and although it ends, in that there's no cliff hanging ending and the immediate problems are resolved, the story is clearly not over yet.
The choice mentioned in the back of book blurb was interesting, and certainly had me nodding sagely, in an "so that's how she's going to sort things out" sort of way - I've been wondering from the outset how half mortal Toby was going to progress among all those wonderful immortals, and it's a fascinating development - I need to re-read with slightly less haste (I wanted to know what happened!) to really get this bit straight. I look forward to finally meeting Amandine in some later book.
Good bits? Toby's iron poisoning was well described, Tybalt is opening up some more, and Toby has friends, really good friends who stick their necks a looong way out for her and without whom she'd be in serious trouble - always good when the ancillary characters get their time in the sun.
Not so good bits? Well, speaking personally, if it comes to Tybalt versus Connor I'm afraid I'm an out'n'out Tybalt groupie, and while we get an impression of progress, it's in both directions, and circumstances change towards the end that levels up the playing field a whole lot - which I didn't want!
Bad bits? None I can think of.
This is a great part 4 of maybe 7, Seanan's web site lists another 3 to come, one this year and two next - and I'll certainly be waiting for 'em all! Highly recommended, but only if you read the first three (which I also highly recommend...)