Claim: Assault on England is a novel in a long-running series about US Secret Agent Nick Carter who works for a secret arm of US intelligence.
Evidence: Assault on England is the sixty-seventh novel in the long-running Nick Carter-Killmaster series of spy novels. Carter is a US secret agent, code-named N-3, with the rank of Killmaster. He works for AXE – a secret arm of the US intelligence services.