Reading progress update: I've read 82%.

Harry Potter and the Half-Blood Prince  - J.K. Rowling

"I haven't got time to argue," said Harry curtly. "Take this as well-" He thrust the socks into Ron's hands.

 

"Thanks," said Ron. "Er - why do I need socks?"

 

"You need what's wrapped in them,..."

 

 

Bless Harry and his stubborn refusal to believe everyone (and I do mean everyone) that tells him he's wrong or paranoid.