WITH TAYLOR ON THE RIO GRANDE.
UNDER SCOTT IN MEXICO.
Pan-American Series
Cloth. Illustrated. Price per volume $1.00.
LOST ON THE ORINOCO.
THE YOUNG VOLCANO EXPLORERS.
YOUNG EXPLORERS OF THE ISTHMUS.
YOUNG EXPLORERS OF THE AMAZON.
TREASURE SEEKERS OF THE ANDES.
CHASED ACROSS THE PAMPAS.