The Bloodline Feud: The Merchant Princes Books 1 and 2

In The Bloodline Feud by Charles Stross, the first two volumes of The Merchant Princes series combine to follow Miriam Beckstein, a tech magazine reporter who uncovers a major money-laundering scheme, only to face dangerous repercussions for her investigation. After being fired and threatened, she learns of her mother’s mysterious past, which reveals a secret that could destabilize governments. A seemingly simple locket transports her to an alternate timeline filled with danger and intrigue, where her true family, involved in a criminal empire, wishes to reclaim her. With her newfound knowledge, Miriam plots her own course in this unpredictable world.