Which book in the Percy Jackson book series was released in 2008?
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The Battle of the Labyrinth is part of the series Percy Jackson & the Olympians.
The Battle of the Labyrinth is part of the series , as is the book , Percy Jackson & the Olympians .
Which book in the Percy Jackson book series was released in 2008?</s> [unused1]The Battle of the Labyrinth                [unused2] is part of the series Percy Jackson & the Olympians.
Which book in the Percy Jackson book series was released in 2008?</s>The Battle of the Labyrinth is part of the series Percy Jackson & the Olympians.
Which book in the Percy Jackson book series was released in 2008?</s> [unused1]The Battle of the Labyrinth                [unused2] is part of the series , as is the book , Percy Jackson & the Olympians .
Which book in the Percy Jackson book series was released in 2008?</s>The Battle of the Labyrinth is part of the series , as is the book , Percy Jackson & the Olympians .
Which book in the Percy Jackson book series was released in 2008?</s>Percy Jackson & the Olympians,0,Percy Jackson & the Olympians,Percy Jackson & the Olympians,has part(s),[unused1]The Battle of the Labyrinth[unused2],[unused1]The Battle of the Labyrinth[unused2],part of the series,Percy Jackson & the Olympians,[unused1]The Battle of the Labyrinth[unused2],0,[unused1]The Battle of the Labyrinth[unused2]
Which book in the Percy Jackson book series was released in 2008?</s>Percy Jackson & the Olympians,0,Percy Jackson & the Olympians,Percy Jackson & the Olympians,has part(s),The Battle of the Labyrinth,The Battle of the Labyrinth,part of the series,Percy Jackson & the Olympians,The Battle of the Labyrinth,0,The Battle of the Labyrinth