Danger stalks the city of steam and shadows.Janus Mikani and Celeste Ritsuko work all hours in the Criminal Investigation Division, keeping citizens safe. He's a charming rogue with an uncanny sixth sense; she's all logic--and the first female inspector. Between his instincts and her brains, they collar more criminals than any other partnership in the CID.Then they're assigned a potentially volatile case where one misstep could end their careers. At first, the search for a missing heiress seems straightforward, but when the girl is found murdered--her body charred to cinders--Mikani and Ritsuko's modus operandi will be challenged as never before. Before long, it's clear the bogeyman has stepped out of nightmares to stalk gaslit streets, and it's up to them to hunt him down. There's a madman on the loose, weaving blood and magic in an intricate, lethal ritual that could mean the end of everything...Review"Aguirre has a gift for creating strong characters who keep her readers coming back for more." (Publishers Weekly)" About the AuthorA.A. Aguirre is the pseudonym for Ann & Andres Aguirre, a husband-wife writing team. She specializes in compelling characters; he excels at meticulous worldbuilding. By day, she's a USA Today bestselling novelist, and he is a pharmaceuticals tycoon. Born in Mexico, Andres spent his early years traveling and getting in trouble everywhere else. Along the way, he got a degree from Pepperdine in economics and international business. Ann was born in the Midwest and has a degree in English Literature from Ball State. She's traveled less than Andres and gotten into less trouble, but scaling Macchu Pichu should count for something, right?Now settled, if not fully domesticated, Andres lives with his love, Ann, their fantastic kids, one whiny cat, and two wistful dogs.Together, they form Megatron. Or not. Actually, they write books.

As powerful magic comes creeping back, dangerous days are dawning… Criminal Investigation Division inspectors Janus Mikani and Celeste Ritsuko were lucky to make it out of their last mission alive. Since then, strange troubles have plagued the city of steam and shadows, apparently as a result of magic released during the CID inspectors’ desperate interruption of an ancient ritual. The fabric of the world has been unsettled, and the Council has assigned Mikani and Ritsuko to investigate. They soon discover that matters are worse than they imagined. Machines have developed minds of their own, cragger pirates are raiding the seas with relentless aggression, and mad elementals are running amok. As the chaos builds to a crescendo, Mikani and Ritsuko must fight a war on two fronts—and this time, they may not be able to turn the deadly tide…