Henty, George Alfred: The Young Buglers. V1. 29 May 2010
 

tGeorge Alfred Henty (8 December 1832 – 16 November 1902), was a prolific English novelist and special correspondent. He is best known for his historical adventure stories that were popular in the late 19th century. His works include Out on the Pampas (1871), The Young Buglers (1880), With Clive in India (1884) and Wulf the Saxon (1895).

Excerpt
I remember that, as a boy, I regarded any attempt to mix instruction with amusement as being as objectionable a practice as the administration of powder in jam; but I think that this feeling arose from the fact that in those days books contained a very small share of amusement and a very large share of instruction.