Lewis Carroll well how to use his fists in defense of a righteous cause", which is the protection of the smaller boys. Scholastically, though, he excelled with apparent ease. "I have not had a more promising boy at his age since I came to Rugby", observed mathematics master R. B. Mayor. Francis Walkingame's "The Tutor's Assistant; Being a Compendium of Arithmetic" – the mathematics textbook that the young Dodgson used – still survives and it contained an inscription in Latin, which translates to: "This book belongs to Charles Lutwidge Dodgson: hands off!" Some pages also included annotations such as the one found
Pen name may use different pen names for each, sometimes with no attempt to conceal a true identity. Romance writer Nora Roberts writes erotic thrillers under the pen name J. D. Robb (such books are titled "Nora Roberts writing as J. D. Robb"); Scots writer Iain Banks wrote mainstream or literary fiction under his own name and published science fiction under Iain M. Banks; Samuel Langhorne Clemens used the aliases Mark Twain and Sieur Louis de Conte for different works. Similarly, an author who writes both fiction and non-fiction (such as the mathematician and fantasy writer Charles Dodgson, who wrote as Lewis