The Hidden Oracle (The Trials of Apollo Book 1) by Rick Riordan (z-lib.org).epub

The Odyssey
Ogygia the island home—and prison—of the nymph Calypso
omphalus stones used to mark the center—or navel—of the world
Oracle of Delphi a speaker of the prophecies of Apollo
Oracle of Trophonius a Greek who was transformed into an Oracle after his

death; located at the Cave of Trophonius; known for terrifying those who
seek him
Ouranos the Greek personification of the sky; father of the Titans
palikoi (palikos, sing.) twin sons of Zeus and Thaleia; the gods of geysers and
thermal springs
Pan the Greek god of the wild; the son of Hermes
Pandora the first human woman created by the gods; endowed with a unique
gift from each; released evil into the world by opening a jar
Parthenon a temple dedicated to the goddess Athena located at the Athenian
Acropolis in Greece
Patroclus son of Menoetius; he shared a deep friendship with Achilles after
being raised alongside him; he was killed while fighting in the Trojan War
pegasus (pegasi, pl.) a winged divine horse; sired by Poseidon, in his role as
horse-god
Peleus father of Achilles; his wedding to the sea-nymph Thetis was well
attended by the gods, and a disagreement between them at the event
eventually lead to the Trojan War; the guardian dragon at Camp Half-Blood
is named after him
Persephone the Greek queen of the Underworld; wife of Hades; daughter of
Zeus and Demeter
phalanx (phalanxes, pl.) a compact body of heavily armed troops
Phidias a famous ancient Greek sculptor who created the Athena Parthenos
and many others
Polyphemus the gigantic one-eyed son of Poseidon and Thoosa; one of the
Cyclopes
Poseidon the Greek god of the sea; son of the Titans Kronos and Rhea, and
brother of Zeus and Hades
praetor an elected Roman magistrate and commander of the army
Primordial Chaos the first thing ever to exist; a void from which the first
gods were produced
Prometheus the Titan who created humans and gifted them with fire stolen
from Mount Olympus
Pythia the name given to every Oracle of Delphi
Python a monstrous serpent that Gaea appointed to guard the Oracle at Delphi

Rhea Silvia the queen of the Titans, mother of Zeus
Riptide the name of Percy Jackson’s sword; Anaklusmos in Greek
River Styx the river that forms the boundary between earth and the

Underworld
Saturnalia an ancient Roman festival celebrating Saturn (Kronos)
satyr a Greek forest god, part goat and part man
shadow-travel a form of transportation that allows creatures of the

Underworld and children of Hades to use shadows to leap to any desired
place on earth or in the Underworld, although it makes the user extremely
fatigued
Sibyl a prophetess
Sibylline Books a collection of prophecies in rhyme written in Greek;
Tarquinius Superbus, a king of Rome, bought them from a prophetess and
consulted them in times of great danger
siccae a short curved sword used for battle in ancient Rome
Sparta a city-state in ancient Greece with military dominance
Stygian iron a magical metal, forged in the River Styx, capable of absorbing
the very essence of monsters and injuring mortals, gods, Titans, and giants;
has a significant effect on ghosts and creatures from the Underworld
Talos a giant mechanical man made of bronze and used on Crete to guard its
shoreline from invaders
Tantalus According to legend, this king was such a good friend of the gods
that he was allowed to dine at their table—until he spilled their secrets on
earth; he was sent to the Underworld, where his curse was to be stuck in a
pool of water under a fruit tree, but never be able to drink or eat
Tartarus husband of Gaea; spirit of the abyss; father of the giants; a region of
the Underworld
Theodosius the last to rule over the united Roman Empire; known for closing
all ancient temples across the empire
Thracian of Thrace, a region centered on the modern borders of Bulgaria,
Greece, and Turkey
Titan War the epic ten-year battle between the Titans and the Olympians that
resulted in the Olympians taking the throne
Titans a race of powerful Greek deities, descendants of Gaea and Ouranos,
that ruled during the Golden Age and were overthrown by a race of younger
gods, the Olympians
trireme a Greek warship, having three tiers of oars on each side
triumvirate a political alliance formed by three parties
Trojan War According to legend, the Trojan War was waged against the city

of Troy by the Achaeans (Greeks) after Paris of Troy took Helen from her
husband, Menelaus, king of Sparta
Troy a Roman city situated in modern-day Turkey; site of the Trojan War
Tyche the Greek goddess of good fortune; daughter of Hermes and Aphrodite
Typhon the most terrifying Greek monster; father of many famous monsters,
including Cerberus, the vicious multi-headed dog tasked with guarding the
entrance to the Underworld
Underworld the kingdom of the dead, where souls go for eternity; ruled by
Hades
Zephyros the Greek god of the West Wind
Zeus the Greek god of the sky and the king of the gods

RICK RIORDAN, dubbed “storyteller of the gods” by Publishers Weekly, is

the author of four New York Times #1 best-selling series: Percy Jackson and the
Olympians and The Heroes of Olympus, based on Greek and Roman mythology;
the Kane Chronicles, based on Egyptian mythology; and Magnus Chase and the
Gods of Asgard, based on Norse mythology. His two Greek myth collections,
Percy Jackson’s Greek Gods and Percy Jackson’s Greek Heroes, illustrated by
John Rocco, were New York Times #1 best sellers as well. Rick lives in Boston,
Massachusetts, with his wife and two sons. To learn more about him, visit his
Web site at www.rickriordan.com.