The Terror Invisible - The Return of Chandu

The Terror Invisible - The Return of Chandu, chapter 9
"Forward: On the mysterious island of Lemuria, the Princess Nadji is awaiting the hour of her sacrifice by the Sorcerer-priests of Ubasti. Frank Chandler -- known as Chandu the Magician -- is striving to rescue her. Lost in an underground maze, he has come upon Tyba, a White Priest, long a prisoner of the Black Sorcerers."

With the aid of the White Priest, Chandu makes it over the tiger pit -- barely. Then, he turns him temporarily invisible, to rescue his nephew from the torture chamber. Only to be caught himself …

"Chandu is a prisoner of the Ubasti - but he has an ally, now, in Tyba, the White Magician. What part is he to play in these tangled events?"