http://q3o3hdjbia2v4hjag567piljrz6gmfwfmxjzaqq4qstmicnmujxp45id.onion/guides/the-drug-users-bible
All that is needed is a swipe down to that drug of choice. Note also that the book’s layout was specifically designed with this in mind: for each drug the essential data is at the top of the page, followed by a break in the form of a photograph, and then the ‘delve deeper’ in the form of text and detail.