Indiana Jones Jr et le Fantôme du Klondike (in English, Young Indiana Jones and the Phantom of the Klondike) is a young adult novel by French author Jérôme Jacobs, published by Hachette Livre in 1997. The story takes place right after the opening events of Indiana Jones and the Last Crusade involving young Indiana Jones. This novel is notable as it featured both a character from Last Crusade's opening, Herman Mueller, and a character from the television show, Helen Seymour.