The tripods ;

Seriearen sortzailea: John Christopher
Sailkatu gabeko liburua John Christopher: The city of gold and lead (1999, Aladdin Paperbacks) 5 izar

The city of gold and lead

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Sailkatu gabeko liburua John Christopher: The pool of fire (2003, Simon & Schuster Books for Young Readers) 5 izar

The pool of fire

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