by Nihilists in general, that you may be in very grave danger. Indeed, I
strongly advise you to report the whole matter to the police."

"I wish I could tell you everything," said Lord Ashiel, "but even if I
dared, you must remember that I am sworn to secrecy, and I cannot see
that because I have, by doing so, placed myself in some peril, that on
that account I am entitled to break my word. No, I cannot tell you any
more, but in spite of that, I want you to do me a service."

"I am afraid I can't help you without fuller knowledge," said Gimblet.
"What do you think I can do?"

"You can do this," said Lord Ashiel. He put his hand in his pocket and
Gimblet heard a crackling of paper. "I am thinking out a hiding-place
for some valuable documents that are in my possession, and when I have
decided on it I will write to you and explain where I have put them,
using a cipher of which the key is enclosed in an envelope I have here
in my pocket, and which I will leave with you when I go. Take charge of
it for me, and in the course of the next week or so I will send you a
cipher letter describing where the papers are concealed. Do not read it
unless the occasion arises. I can trust you not to give way to
curiosity, but if anything happens to me, if I die a violent death, or
equally if I die under the most apparently natural circumstances, I want
you to promise you will investigate those circumstances; and, if
anything should strike you as suspicious in connection with what I have
told you, you will be able to interpret my cipher letter, find the
document I have referred to, and act on the information it contains.
Will you undertake to do this for me?"

"I will, certainly," Gimblet answered readily, "but I hope the occasion