Plot wise, this book is okay. Personally whenever Agatha Christie writes a spy plot they become too fantastical for me. The best part about this book are the characters; right from the amateur detective Anthony Cade to the spirited Virginia Revel who lets herself be blackmailed solely because she has never been blackmailed before. Can't beat that. And Lord Caterham, Bundle are just as delightful. And how I wish there were more books about Superintendent Battle.