The second book in the Hollow Kingdom trilogy follows Kate's sister Emily as she has reached marrigable age. Though she has always been the best of friends with the goblin/elf Seylin, she never thought about marrying him. When she blows off his proposal, Seylin leaves and Emily realizes that she must bring him back to the goblin kingdom. But Seylin has found pureblood elves, something thought nearly impossible and this is great news for the goblins who stole elf brides before they stole human brides. New elf wives would infuse new blood and magic into the goblin race but the races have a long history of prejudice and bloodshed and now Seylin is in the middle of what could be an incredibly ugly conflict.
Can't wait for book three!