Amelia and her dog are best friends...until Princess Sparkle-Heart comes along. Soon, Amelia and Princess Sparkle-Heart are doing everything together: having tea parties, attending royal weddings, keeping each other's secrets. Princess Sparkle-Heart may be an awesome princess doll-but is she any match for a jealous canine? Look out, Princess Sparkle-Heart! This witty parable of sibling rivalry has all the giggle-inducing visual detail and kid-appeal of the author's previous work, plus an unexpected twist that makes for a satisfyingly delicious ending.