The Adventure of the Greek Interpreter Sherlock Holmes, far from being a one-off in terms of his powers of observation and deductive reasoning, in fact has an elder brother whose skills, or so Holmes claims, outstrip even his own. As a consequence of this, Watson becomes acquainted with the Diogenes Club and his friend's brother, Mycroft. Mycroft, as Watson learns, does not have the energy of his younger brother and as a consequence is incapable of using his great skills for detective work: In spite of his inertia, the elder Holmes has often delivered the correct answer to a problem that Sherlock has brought to him.
The Invisible Detective and in "Stage Fright", the loadstone switches him and his grandfather, sending him to 1937 London and Art to the present day. Recurring characters in the series include: The Invisible Detective The Invisible Detective is a series of juvenile adventure novels, written by Justin Richards. Originally published in the United Kingdom between 2003 and 2005, the series has also been released in the United States. The books are detective fiction with science fictional and/or fantastic elements (depending on the book). Set in London in the 1930s, the series recounts the adventures of four children, Art, Jonny, Meg, and Flinch, who