The Traders' War by Charles Stross includes The Clan Corporate and The Merchants' War, the third and fourth instalments in The Merchant Princes series combined into one volume.
The journalistic instinct runs deep - and comes with a fatality warning.
Miriam was an ambitious business journalist in Boston. Until she was fired-then discovered, to her shock, that her lost family comes from an alternate reality. And although some of them are trying to kill her, she won't stop digging up secrets. Now that she knows she's inherited the family ability to walk between worlds, there's a new culture to explore.