“Grover and Nico came back from their walk, and Grover helped me fix up my wounded arm.
"It's green!" Nico said with delight.”

“Percy," my mom said. "I give you my blessing."
"Be safe brother!" Tyson pleaded.
"Enchiladas!" Grover said. I wasn't sure where that came from, but it didn't seem to help much.”

“Frank heard a laugh behind him. He glanced back and couldn't believe what he saw. Nico di Angelo was actually smiling.

"That's more like it," Nico said. "Let's turn this tide!”

“Hey Grover! Thorn's kidnapping us! He's a poisonous spike-throwing maniac! Help!”

“The god's voice was tinged with disappointment. you"I've been to Tartarus and back," Nico snarled. "You don't scare me."”

“When I got across, I looked back and saw Tyson giving Grover a piggyback ride (or was it a goatyback ride?).”

“This is my driver,’ Nico said. ‘Jules-Albert finished first in the Paris–Rouen motorcar race back in 1895, but he wasn’t awarded the prize because his steam car used a stoker.”

“He [Nico] regarded Jason, as if waiting for an attack. 'If the others found out-'
'If the others found out,' Jason said, 'You'd have that many more people to back you up, and to unleash the fury of the gods on anybody who gives you trouble.”

“Grover cradeled his laurel sapling in his hands. "Well… sure is good to be back together again. Arguing. Almost dying. Abject terror. Oh, look It's our floor”

“The two of them looked so comfortable together it made Nico glad. But it also it caused an ache in his heart – a ghostly pain, like an old war wound throbbing in bad weather.”