Elusive Isabel audiobook
by Jacques Futrelle (1875-1912)
Elusive Isabel is a novel by Jacques Futrelle (April 9, 1875 — April 15, 1912) first published in 1909. Set in Washington, D.C., it is a spy novel about an international conspiracy of the “Latin” countries against the English-speaking world with the aim to take over world control.
(Summary from wikipedia)