G. A. Henty 
By Pike and Dyke 

In this story Mr. Henty traces the adventures and brave deeds of an English boy in the household of the ablest man of his age – William the Silent. Edward Martin, the son of an English sea-captain, enters the service of the Prince as a volunteer, and is employed by him in many dangerous and responsible missions, in the discharge of which he passes through the great sieges of the time…