The first book is L'Eclat d'obus, first published in 1916 and published in the US as The Woman of Mystery and England as The Bomb-Shell. This is a non-Lupin story. The second is La Femme aux deux sourires (1933) and published in the US as The Woman with Two Smiles and England as The Double Smile.
The first book has one of the more violent and colourful covers in the series.
Published by Les Editions Varietes 1945
Published by Les Editions Varietes 1944
back cover of La Femme aux deux sourires