“Met them. Killed them. Got the T-shirt.”
Rick Riordan book The Serpent's Shadow
Source: The Serpent's Shadow
Richard Russell Riordan Jr. is an American author. He is known for writing the Percy Jackson & the Olympians series, about a twelve-year-old Percy Jackson who discovers he is a son of Greek God Poseidon. His books have been translated into 42 languages and sold more than 30 million copies in the US. 20th Century Fox has adapted the first two books of his Percy Jackson series as part of a series of films. His books have spawned related media, such as graphic novels and short story collections.
Riordan's first full-length novel was Big Red Tequila, which became the first book in the Tres Navarre series. His big breakthrough was The Lightning Thief , the first novel in the five-volume Percy Jackson series, which placed a group of adolescents in a Greco-Roman mythological setting. Since then, Riordan has written The Kane Chronicles trilogy and The Heroes of Olympus series. The Kane Chronicles focused on Egyptian mythology; The Heroes of Olympus was the sequel to the Percy Jackson series. Riordan also helped Scholastic Press develop The 39 Clues series and its spinoffs, and penned its first book, The Maze of Bones . His most recent publications are three books in the Magnus Chase and the Gods of Asgard series, based on Norse mythology. The first book of his The Trials of Apollo series based on Greek mythology, The Hidden Oracle, was released in May 2016. Wikipedia

“Met them. Killed them. Got the T-shirt.”
Rick Riordan book The Serpent's Shadow
Source: The Serpent's Shadow
“It was a crazy idea. But, as usual, that’s all Percy had.”
Rick Riordan The Mark of Athena
Source: The Mark of Athena
“Let's boogie,' he (Leo) said. 'Before I come to my senses”
Rick Riordan book The Lost Hero
Source: The Lost Hero
“No, no,” Leo said. “Rainbows. Very macho.”
Rick Riordan book The Lost Hero
Variant: Rainbows. Very Macho! ~Leo Valdez
Source: The Lost Hero
“A hero can go anywhere, challenge anyone, as long as he has the nerve.”
Source: Percy Jackson & the Olympians: The Ultimate Guide
“He hated when his own advice applied to himself.”
Rick Riordan book The Blood of Olympus
Source: The Blood of Olympus
Rick Riordan book The Lightning Thief
Source: The Lightning Thief
“I'd missed Annabeth probably more than I wanted to admit.”
Rick Riordan book The Sea of Monsters
Source: The Sea of Monsters
Rick Riordan book The Last Olympian
Variant: Sometimes the hardest power to master is the power of yielding. -Hestia
Source: The Last Olympian
“Hazel blinked. “Two gods had a horse for a kid?”
“Long story.”
Rick Riordan book The Son of Neptune
Source: The Son of Neptune
“I know, I'm an idiot!" Leo moaned. "A brilliant idiot, but still an idiot.”
Rick Riordan book The Demigod Diaries
Source: The Demigod Diaries
“I hate this plan,” I said. “Let’s do it.”
Rick Riordan book The Sword of Summer
Source: The Sword of Summer
“Frank held up the Chinese handcuffs. “Keep it simple.”
Rick Riordan The Mark of Athena
Source: The Mark of Athena
Rick Riordan book The Son of Neptune
Source: The Son of Neptune