I am Monsieur Mustard…
the world’s most
famous detective!
★★★★★
"The author’s triumph is to make mustard such excellent company"
— The Telegraph
"A charming, tightly plotted and witty detective story for young readers"
— The Bookseller
"J'adore Monsieur Mustard! Such a lovable, braggadocious souris and main character"
— Sheena Dempsey