Le 21 septembre dernier, je reçois l'email suivant: Dear Dr. Verdeil, I hope to find you well. I would like to inform you that, based on your publishing history, you are invited to contribute a chapter to a new book project under the working title "Natural Gas". This book will be published by InTech Open Access publisher, under the editorship of Dr. Santosh Mohanty. The book will be an Open Access publication made available through InTech's reading platform and indexed in scientific databases...