The Mr. Moto Omnibus Vol 1 (2-books-in-1)

Mr. Moto is a Japanese secret agent created by the American author John P. Marquand who initially created the character on demand from the Saturday Evening Post, as a replacement for Charlie Chan after Chan's creator Earl Derr Biggers died and there was no Asian hero series.

Your Turn, Mr. Moto

The first novel (aka No Hero and Mr. Moto Takes a Hand) in the series

A down-on-his luck American flyer... A beautiful adventuress... A mysterious Chinese courier A scrap of paper worth many lives and the peace of the entire world... And a jigsaw pattern of treachery and sudden death. Enter the inimitable Mr. Moto, the only one who can solve the case. This is the first book that introduced this extraordinary sleuth.

"Vital and vivid." New York Times

Think Fast, Mr. Moto

The third book in the series

Much more than a crooked roulette wheel is at stake at the Hitchings Plantation gambling house in Honolulu and Japan's cleverest and capable spy has arrived on the scene to protect the interests of his emperor.

Wilson Hitchings, a solid young innocent, must make an ally of his renegade cousin, Eva of the violent eyes and flaming hair, if either is to survive their unwitting involvement in international intrigue. Without the help of Mr. Moto, they may still be lost...