Right now, Amazon has a deal on the Kindle ebook for The Sherlock Holmes Handbook: The Methods and Mysteries of the World’s Greatest Detective for only $3.49 (that’s 79% discounted from the list price of $16.95; the Hardcover is currently $14.46).

Written by Ransom Riggs (Miss Peregrine’s Home for Peculiar Children) with illustrations by Eugene Smith, this handbook from Quirk Books focuses on the great fictional detective Sherlock Holmes and the skills he employed to solve all those mysteries. We all know how great Holmes was at deductive reasoning, but he could also pick a lock and crack a safe; defend himself against physical attacks; and, of course, fake his own death, and thanks to The Sherlock Holmes Handbook, you can, too!

Visit the main Kindle sales page to see more ebook deals of the day, and be sure to check out this month’s Kindle deals: 100 Kindle Books For $3.99 or Less.