Since she had been back, Hermione had seen both Ron and Harry and ducked into Weasley's Wizard Wheezes the last time she was in Diagon Alley to visit George, too. That meant there was only Ginny and Mr and Mrs Weasley to go. It was just a matter of timing at that point, she was still in the process of unpacking; the task made all the more arduous by the fact that she had decided to arrange all of her books by alphabetical subject matter and in chronological order according to when they were first published.
Only up to 'D', Hermione needed a break by early afternoon and it didn't take her long to make the decision to drop by the Burrow. Apparating into the back garden, she had to smile when she spotted Ginny right there in front of her. "Just the person I was looking for," she said brightly. "What are you reading?"