Boy Scout Nature Lore to be Found in The Hickory Ridge Boy Scout Series, all illustrated:— - The Wonder Island Boys: The Mysteries of the Caverns - 33 - Roger T. Finlay

A SERIES OF BOOKS FOR BOYS

Boy Scout Nature Lore to be Found in The Hickory Ridge Boy Scout Series, all illustrated:—

Wild Animals of the United States—Tracking

Trees and Wild Flowers of the United States

Reptiles of the United States

Fishes of the United States

Insects of the United States and Birds of the United States.