Many people think that the mysteries of the great Leonardo have been solved, masterpieces have been found, codes have been cracked... Not at all! More than four centuries after the death of the great artist, musician, writer, inventor... the boy Arthur lives in the castle where the genius spent his last years. He sleeps in the bed where his idol died. He hears his voice... Becomes a participant in mysterious, frightening, mind-boggling, blood-chilling events, each of which, one way or another, turns out to be another da Vinci secret.

Gonzaga Saint-Brie, French journalist, historian and novelist , author of more than 30 books: novels, essays, biographies. Born in 1948. He grew up in the castle of Clos Luce, in Amboise. Without having a single diploma, he became a writer and journalist. He worked for the Le Figaro newspaper, as a presenter at an independent radio station, as a video reviewer, as director of enterprise development for the Hachette Filipacchi Médias group, and as director of Femme magazine. Among Gonzaga Saint-Bris's books are biographies of Vigny, Dumas, Balzac, Flaubert, and Lafayette. Gonzaga Saint-Brie is the winner of one of the most prestigious literary awards in France - the Prix Interallié. The novel Da Vinci's Child was awarded the Prix des Romancières at the Saint-Louis Book Fair.