About this book:

Journey into the heart of the Amazon with Dr. Marcus Reid, a disgraced archaeologist haunted by a controversial past and a lost friend. When a mysterious package arrives containing a fragmented map and a letter from Dr. Ana Moreira, presumed dead for years, Marcus is pulled back into the world he abandoned. Ana claims the legendary Lost City is real, and holds secrets that could rewrite history – secrets ruthless forces are willing to kill for.

Forced to confront his own failings and build an unlikely team of allies – a skeptical guide, a brilliant linguist, and an ambitious journalist – Marcus embarks on a perilous quest. From the treacherous depths of the jungle to the ancient, impossible technology of a civilization thought to be mythical, they race against time and a shadowy corporation, a fanatical secret society, and a cold, calculating collective, all vying for control of the city's ultimate power: the Aether Core. Traps, betrayals, and monstrous guardians stand in their way as they uncover a truth far more profound, and far more dangerous, than they ever imagined.

Echoes of the Lost City is a thrilling adventure that blends cutting-edge science with ancient mysteries. It explores themes of redemption, trust, and the price of knowledge, asking whether humanity is truly ready for a truth that could change everything. As the battle for the city’s secrets spills out of the jungle and ignites a global shadow war, Marcus and his team become the unwilling custodians of a legacy that could either elevate or doom humanity.