Please use the following link for downloading the First Aid reference guide if you have an Apple device:
https://itunes.apple.com/ca/book/first-aid-reference-guide/id1215483508?mt=11
If you do not have an Apple Device, you can access the guide through any computer by using the online Kindle reader: : https://www.amazon.com/John-Ambulance-First-Reference-Guide-ebook/dp/B01MROUIIO/ref=sr_1_1?s=digital-text&ie=UTF8&qid=1486410333&sr=1-1&keywords=st+john+ambulance+first+aid