• 8 Books

• 4 Monsters
• 4 Mythology, Greek
• 3 Animals, Mythical
• 3 Titans (Mythology)
• 2 Developing countries
• 2 Poverty
• 2 Refuse and refuse disposal
• 1 Artemis (Greek deity)
• 1 Camps
• 1 Family secrets
• 1 Fate and fatalism
• 1 Fathers and sons
• 1 Graphic novels
• 1 History
• 1 Jackson, Percy (Fictitious character)
• 1 Labyrinths
• 1 Marriage
• 1 Mystery and detective stories
• 1 Political corruption
• 1 Poseidon (Greek deity)
• 1 Riordan, Rick
• 1 Sea of monsters
• 1 Social change
• 1 Social conditions
• 1 Women teachers

• 8 Digitalia (Firm)
• 4 Riordan, Rick
• 2 Mulligan, Andy
• 1 Goolrick, Robert, 1948-
• 1 Mulligan, Andy, 1962-
• 1 Roy, Anuradha

• 1 Himalaya Mountains Region
• 1 Wisconsin

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