Postage 10 cents additional.
A series of stories brimming with hardy adventure, vivid and accurate in detail, and with a good foundation of probability. They take the reader realistically to the scene of action. Besides being lively and full of real situations, they are written in a straight-forward way very attractive to boy readers.
1. THE ADVENTURE BOYS and the VALLEY OF DIAMONDS
In this book they form a party of five, and with the aid of a shrewd, level-headed sailor named Stanley Green, they find a valley of diamonds in the heart of Africa.
2. THE ADVENTURE BOYS and the RIVER OF EMERALDS
With a guide, they set out to find the River of Emeralds. But masked foes, emeralds, and falling mountains are all in the day’s fun for these Adventure Boys.
3. THE ADVENTURE BOYS and the LAGOON OF PEARLS
This time the group starts out on a cruise simply for pleasure, but their adventuresome spirits lead them into the thick of things on a South Sea cannibal island.
4. THE ADVENTURE BOYS and the TEMPLE OF RUBIES
The Adventure Boys find plenty of thrills when they hit the ruby trail, and soon discover that they are marked by some sinister influence to keep them from reaching the Ruby.