"There are many mighty hunters, and most of them can tell of many very thrilling adventures personally undergone with wild beasts; but probably none of them ever went through an experience equalling that which Arthur Spencer, the famous trapper, suffered in the wilds of Africa. As the right-hand man of Carl Hagenbach, the great Hamburg dealer in wild animals, for whom Spencer trapped some of the finest and rarest beasts ever seen in captivity, thrilling adventures were everyday occurrences to him."