The Loo Sanction

The Loo Sanction is a 1973 sequel novel to "The Eiger Sanction" written by Trevanian.
Plot.
In London, England, Jonathan Hemlock is blackmailed into performing another "sanction", a top-secret political assassination.
Critical reception.
Some critics derided "The Loo Sanction" and "The Eiger Sanction" as "pale James Bond derivatives" while Trevanian considered the books intentional Bond spoofs.