Gaelan Starfire is a farmer, happy to be a husband and a father; a careful, quiet, simple man. He’s also an immortal, peerless in the arts of war. Over the centuries, he’s worn many faces to hide his gift, but he is a man ill-fit for obscurity and all too often he’s become a hero, his very names passing into legend: Acaelus Thorne, Yric the Black, Hrothan Steelbender, Tal Drakkan, Rebus Nimble.

Guile is the Prism. He is high priest and emperor, a man whose power, wit, and charm are all that preserves a tenuous peace. Yet Prisms never last, and Guile knows exactly how long he has left to live. When Guile discovers he has a son, born in a far kingdom after the war that put him in power, he must decide how much he's willing to pay to protect a secret that could tear his world apart.

The Tower of Babel is the greatest marvel in the world. Immense as a mountain, the ancient Tower holds unnumbered ringdoms, warring and peaceful, stacked one on the other like the layers of a cake. It is a world of geniuses and tyrants, of airships and steam engines, of unusual animals and mysterious machines. Soon after arriving for his honeymoon at the Tower, the mild-mannered headmaster of a small village school, Thomas Senlin, gets separated from his wife, Marya, in the overwhelming swarm of tourists, residents, and miscreants.

In the colonial cities and towns of Fatrasta, peace has never been easy. Immigrants fight amongst themselves or turn on the native population, while the governing power of the Kez Army steps in only to enforce the will of apathetic local governors assigned by a distant crown. Young war hero Ben Styke commands a colonial garrison in a sleepy frontier suburb.

Fonda Lee returns to the acclaimed Green Bone Saga with four prequel short stories that delve into the personal histories of the Kaul and Ayt families.