successful in his disguises because he is a great actor. He actually becomes for the time being the person he pretends to be. He thinks and feels absolutely like that person. Do you follow me?"
"Oh, yes; but he must be rather fluid, this Lupin," said the Duke; and then he added thoughtfully, "It must be awfully risky to come so often into actual contact with men like Ganimard and you."
"Lupin has never let any consideration of danger prevent him doing anything that caught his fancy. He has odd fancies, too. He's a humourist of the most varied kind—grim, ironic, farcical, as the mood takes him. He must be awfully trying to live with," said Guerchard.
"Do you think humourists are trying to live with?" said the Duke, in a meditative tone. "I think they brighten life a good deal; but of course there are people who do not like them—the middle-classes."
"Yes, yes, they're all very well in their place; but to live with they must be trying," said Guerchard quickly.
He went on to question the Duke closely and at length about the household of M. Gournay-Martin, saying that Arsène Lupin worked with the largest gang a burglar had ever captained,
