Liz is tasked with investigating a potential "sleeper" agent within the British establishment. This installment dives deep into the paranoia of internal investigations and the personal toll of life in the Service. 3. Illegal Action (2007)
When a high-ranking Neo-Nazi is released from prison, Liz suspects he hasn't changed his ways. This book explores the rise of domestic extremism and the difficulty of tracking threats that don't fit the "traditional" terrorist mold. 6. Rip Tide (2011) Stella Rimington-Liz Carlyle series 1-9
Liz moves into the world of high-finance and Russian oligarchs. Tasked with protecting a wealthy expatriate in London, she discovers that the threats aren't just political—they’re deeply personal and incredibly lucrative. 4. Dead Line (2008) Liz is tasked with investigating a potential "sleeper"