On board the moletrain Medes, Sham Yes ap Soorap watches in awe as he witnesses his first moldywarpe hunt: the giant mole bursting from the earth, the harpoonists targeting their prey, the battle resulting in one’s death and the other’s glory. But no matter how spectacular it is, Sham can’t shake the sense that there is more to life than traveling the endless rails of the railsea.

Katherine Howe, author of the bestseller THE PHYSICK BOOK OF DELIVERANCE DANE, returns with an entrancing historical novel set in Boston in 1915, where a young woman stands on the cusp of a new century, torn between loss and love, driven to seek answers in the depths of a crystal ball.

At the close of the Civil War, students at the Massachusetts Institute of Technology form a secret society that is determined to find the truth behind a recent string of commercial disasters.

The Paris of the 1860s is a time of change for Rose Bazelet. A widow living in a neighborhood marked for improvement by the Emperor Napoleon, she takes a stand and vows never to leave her family home. She spends her days reliving memories of her husband and family in the house she has come to love as much as the people who inhabited it.

Lord John Grey --- aristocrat, soldier and occasional spy --- finds himself in possession of a packet of explosive documents that exposes a damning case of corruption against a British officer. But they also hint at a more insidious danger.

Happily married and pregnant, Quinn Braverman has an ominous secret: every time she makes a major life decision, she knows an alternate reality exists in which she made the opposite choice --- not only that, she knows how to cross over.

The death of a well-known treasure hunter and archaeologist causes grief for his estranged son, but also sets in motion an ancient prophecy that could unlock the secrets of Stonehenge. Cryptic letters and blood sacrifices are just the beginning.

When literary researcher Harold White is inducted into the preeminent Sherlock Holmes enthusiast society, The Baker Street Irregulars, he never imagines he's about to be thrust onto the hunt for the holy grail of Holmes-ophiles: Arthur Conan Doyle’s missing diary, which may explain why Doyle decided to kill off his hero. 

Lady Emily and her husband, Colin Hargreaves, an agent of the crown, begin investigating the murder of a well-known London businessman with many odd leads. When red paint, a calling card for the revelation of long-held, scandalous secrets, begins appearing on doorsteps, all of high society holds its collective breath waiting to find out who will be next and what secrets will be revealed.

Zed is an agent from the future, a time when the world's problems have been solved. His mission is to keep it that way. Even if it means ensuring every cataclysm throughout history runs its course --- especially The Great Conflagration, an imminent disaster in our own time that Zed has been ordered to protect at all costs.