The Boy With the U. S. Survey
The Boy With the U. S. Life-Savers
The Boy With the U. S. Foresters
The Boy With the U. S. Fisheries
The Boy With the U.S. Census
The Boy who sailed with Blake
The Boy Who Knew What the Birds Said
The Boy Volunteers with the Submarine Fleet
The Boy Volunteers with the French Airmen
The Boy Travellers on the Congo
The Boy Travellers in The Russian Empire
The Boy Travellers in the Far East, Part Third
The Boy Travellers in the Far East, Part Second
The Boy Travellers in the Far East, Part Fourth
The Boy Travellers in the Far East [Part First]
The Boy Travellers in the Far East, Part Fifth