2026 Reading Challenge

Join the Goodreads Author Program

Are you Lieutenant X, author of the books below?
Langelot agent secret by Lieutenant X Langelot contre monsieur T by Lieutenant X Langelot et les espions by Lieutenant X Une offensive signée Langelot by Lieutenant X Langelot et les saboteurs by Lieutenant X Langelot et les Crocodiles by Lieutenant X Langelot et le sous marin jaune by Lieutenant X Langelot et le gratte-ciel by Lieutenant X Langelot Pickpocket by Lieutenant X Langelot et l'inconnue by Lieutenant X


To join the author program as Lieutenant X, you will first need to sign in to Goodreads. Then navigate back to this page to apply.


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