When the crown jewels go missing from Buckingham Kennel, it's up to super-sleuth Sherlock Bones and his trusty sidekick Dr Catson to solve the crime.

Tim Collins is originally from Manchester, but now lives in London. He is the author of over thirty books including Wimpy Vampire, Cosmic Colin and Dorkius Maximus. His books have been translated into over thirty languages and he has won awards in the UK and Germany, including the Manchester Fiction City award (2011 Winner) and the Lincolnshire Young People's Book Award (2012 Winner).

John Bigwood is an illustrator and graphic designer based in London. He has worked across a range of books for children and adults, such as the best-selling Sherlock Bones series and How to Draw People for the Artistically Anxious.