The Daugter of Poseidon: Book 1 The Lightning Thief

Anastasia Romanoff is about to be kicked out of a boarding school... again. And that's the least of her worries. Lately mythological monsters have been walking straight out of her textbooks and into her life. And worse, she and her best friend Percy have angered a few of them. Zeus's master Lightning bolt has been and Anna and Percy are prime suspects. Now Anna has just ten days to return Zeus's stolen property and bring peace to Mount Olympus. But to succeed on her quest, Anna will have to do more than catch the thief: she must come to terms with the father who abandoned them; solve the riddle of the Oracle, which warns her of a friend who will betray him: and unravel a treachery more powerful than the gods themselves