A Brief Book Review of Don't Let Him In by Lisa Jewell.br Nina Swann is mourning the sudden death of her husband Paddy when she receives condolences from a guy called Nick Radcliffe , one of Paddy's old friends from his early career. Soon Nick and Nina are an item - Nina notices that Nick disappears for days sometimes but always has an excuse for his absence. Another lady called Martha is also noting that her husband Al also disappears for days and always has an excuse for his absence.br This is the tale of a con manphilanderer who uses vulnerable women for financial gain.