Themis Files Series by Sylvain Neuvel

A girl named Rose is riding her new bike near home in Deadwood, South Dakota, when she falls through the earth. She wakes up at the bottom of a square-shaped hole, its walls glowing with intricate carvings. But the firemen who come to save her peer down upon something even stranger: a little girl in the palm of a giant metal hand.Seventeen years later, the mystery of the bizarre artifact remains unsolved - the object's origins, architects, and purpose unknown... moreA girl named Rose is riding her new bike near home in Deadwood, South Dakota, when she falls through the earth. She wakes up at the bottom of a square-shaped hole, its walls glowing with intricate carvings. But the firemen who come to save her peer down upon something even stranger: a little girl in the palm of a giant metal hand.Seventeen years later, the mystery of the bizarre artifact remains unsolved - the object's origins, architects, and purpose unknown.But some can never stop searching for answers.Rose Franklin is now a highly trained physicist leading a top-secret team to crack the hand's code. And along with her colleagues, she is being interviewed by a nameless interrogator whose power and purview are as enigmatic as the relic they seek. What's clear is that Rose and her compatriots are on the edge of unravelling history's most perplexing discovery-and finally figuring out what it portends for humanity. But once the pieces of the puzzle are in place, will the result be an instrument of lasting peace or a weapon of mass destruction? less

As a child, Rose Franklin made an astonishing discovery: a giant metallic hand, buried deep within the earth. As an adult, she’s dedicated her brilliant scientific career to solving the mystery that began that fateful day: Why was a titanic robot of unknown origin buried in pieces around the world? Years of investigation have produced intriguing answers—and even more perplexing questions... moreAs a child, Rose Franklin made an astonishing discovery: a giant metallic hand, buried deep within the earth. As an adult, she’s dedicated her brilliant scientific career to solving the mystery that began that fateful day: Why was a titanic robot of unknown origin buried in pieces around the world? Years of investigation have produced intriguing answers—and even more perplexing questions. But the truth is closer than ever before when a second robot, more massive than the first, materializes and lashes out with deadly force. Now humankind faces a nightmare invasion scenario made real, as more colossal machines touch down across the globe. But Rose and her team at the Earth Defense Corps refuse to surrender. They can turn the tide if they can unlock the last secrets of an advanced alien technology. The greatest weapon humanity wields is knowledge in a do-or-die battle to inherit the Earth . . . and maybe even the stars. less

In her childhood, Rose Franklin accidentally discovered a giant metal hand buried beneath the ground outside Deadwood, South Dakota. As an adult, Dr. Rose Franklin led the team that uncovered the rest of the body parts which together form Themis: a powerful robot of mysterious alien origin. She, along with linguist Vincent, pilot Kara, and the unnamed Interviewer, protected the Earth from geopolitical conflict and alien invasion alike... moreIn her childhood, Rose Franklin accidentally discovered a giant metal hand buried beneath the ground outside Deadwood, South Dakota. As an adult, Dr. Rose Franklin led the team that uncovered the rest of the body parts which together form Themis: a powerful robot of mysterious alien origin. She, along with linguist Vincent, pilot Kara, and the unnamed Interviewer, protected the Earth from geopolitical conflict and alien invasion alike. Now, after nearly ten years on another world, Rose returns to find her old alliances forfeit and the planet in shambles. And she must pick up the pieces of the Earth Defense Corps as her own friends turn against each other. less