I read John Christophers tripods trilogy for the first time at the age of 12. The moment when the protagonist enters the city of gold and lead is just unforgettable. Although it appeared somewhat outdated when I read it last year, I do really like the ideas and the story.

TheTripods_01 by Jonny Benzin.
Welcome to the city of gold and lead.
TheTripods_02 Jonny Benzin
Master and slave.

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