Updated and Revised 2nd edition. A Guide to Deduction is a guide for any potential Sherlock Holmes or John Watson. A series of reflections on subjects to help anyone from novices to experts to learn how to deduce things from your surroundings. The book is a useful reference to learn about the common details that appear in the mysteries of Sherlock Holmes. In this second edition, learn more about lock picking, poisons and the chemistry in the world around us.

“A guide to deduction is remarkably detailed and incredibly varied in its content! The reader can learn valued ideas from every page! i particularly enjoyed the section on code breaking! It is impossible for me to recommend this anymore than to say, do yourself a favour and purchase this immediately!” –  Ben Cardall

A Guide to Deduction 2nd edition is available from all good bookstores including The Strand Magazine, Amazon USA, Barnes and Noble USA, Amazon UK, Waterstones UK and for free shipping worldwide Book Depository. In ebook format it is in Kindle, Kobo, Nook and Apple iBooks (iPad/iPhone). Available on Audio.