by Shane Peacock. Tundra Books: 2010, 244 pages. ISBN 978-0887768538Fourth book in an award-winning series for children and teens, The Secret Fiend finds a young Sherlock Holmes trying to not get involved in a case involving a young female admirer. This case revolves around attacks by a believed-to-be-fictional Spring Heeled Jack while paranoia and disorder begin to envelope the country as the Jewish Benjamin Disraeli becomes Prime Minister.

