Lieutenant-Colonel Frederick Sadleir Brereton, who frequently used the pen name Captain Brereton, was a British Army medical officer and a prolific author of children's books. He was born on August 5, 1872, in Wallington, United Kingdom, and served with distinction in the British Army. Brereton is best known for his works that focused on heroic deeds and adventures, particularly those associated with the British Empire. His writings often revolved around themes of courage, military exploits, and the values of duty and honor. Brereton's experiences as a medical officer during his military career likely influenced the realism and attention to detail found in his works. He was dedicated to capturing the spirit of heroism, aiming to inspire young readers through tales of bravery and moral fortitude. Throughout his career, Brereton wrote numerous novels and short stories, with his works still being appreciated by readers interested in adventure and historical fiction. He passed away on August 12, 1957, at the age of 85 in London, leaving behind a legacy of adventure tales that continue to inspire readers. Brereton s parents were Franc Sadleir Brereton and Isabella Beeston.