Front matter
Reading edition
The plane was swishing about in a foot or more of water when they reached it.
THE HUNNIWELL BOYS AND THE PLATINUM MYSTERY
By L. P. WYMAN, Ph.D.
Author of
“The Hunniwell Boys in the Air,” “The Hunniwell Boys’ Victory,” “The Hunniwell Boys’ Longest Flight,” “The Hunniwell Boys in the Secret Service,” “The Lakewood Boys Series,” “The Golden Boys Series,” etc.
Printed in U. S. A.
The Hunniwell Boys Series
THRILLING AVIATION STORIES FOR BOYS 12 TO 16 YEARS
By L. P. WYMAN, Ph. D.
The Hunniwell Boys in the Air The Hunniwell Boys’ Victory The Hunniwell Boys in the Secret Service The Hunniwell Boys and the Platinum Mystery The Hunniwell Boys’ Longest Flight
Copyright, 1928
By A. L. BURT COMPANY
THE HUNNIWELL BOYS AND THE PLATINUM MYSTERY
Printed in U. S. A.
The Hunniwell Boys and the Platinum Mystery