Possible Interpretations:
* The Lee Tripwire series by Joe Abercrombie: The "Lee Tripwire" series consists of three books: "The Blade Itself," "Before They Are Hanged," and "The Last Argument of Kings." Therefore, there is no "next book" in the *series* after "The Last Argument of Kings."
* Specific book in the Lee Tripwire series: If you are referring to a specific book within the Lee Tripwire series, you might be looking for the next book in the larger *First Law* world created by Joe Abercrombie. The *First Law* world has several other series and standalone novels, such as the *Age of Madness* trilogy, *The Heroes* trilogy, and *Red Country.*
To give you a proper answer, please clarify which book you are referring to by saying:
* "What is the next book after [specific book title in the Lee Tripwire series]?"
* "What is the next book after the Lee Tripwire series?"
Once you provide this information, I can give you a more accurate answer.