From Cassies Saturday night Tweet (I really must board the twitter bus), Cassie's words are in purple:
Jem from earlier today: "But you are much prettier," Jem said.
Will: "Tess,” he said, and she thought, once again, how no one but him ever called her that. “That is all I think about."
Tessa: “Jem!” she cried again, and when he did not look up, she strode across the room, and wrenched the bow out of his hand. “Jem, stop!"
And lastly: "I would die for you, you know that." - unattributed. Clockwork Prince. There, distracted I hope!
the background shows Temple Bar, on Fleet Street, near the Institute
"What desperation drove you to me, in the middle of the night, in a rainstorm? What has changed at the Institute? I can only think of one thing..."
And from earlier this week, Cassie revealed the Clockwork Prince Placeholder cover and one quote: