Rick Riordan. The Heroes Of Olympus. The Mark Of Athena (№ 270295)

Annabeth grabbed his wrist and slung it over his shoulder. He fell on the stone pavement. The Romans cried out. Some surged forward, but Reyna shouted, "Stop! Retreat!"
Annabeth crushed knee chest Percy, and the arm squeezed his throat. She didn't care what the Romans think. Her chest burned piece of red-hot anger - a mixture of anxiety and bitterness that settled it since last fall.
- If you ever leave me, ' she said, her eyes burned with rage. I swear to the gods...
Pers issued a nervous laugh. Suddenly the whole lump of angry emotions melted inside Annabeth.
- Consider me warned, ' said Percy. - I missed you too.