In the How To Train Your Dragon story, Hiccup is very disappointed with what he finds in the 'How To Train Your Dragon' guidebook. Despite it having many features which make it seem amazing, the guidebook is not very useful at all!
You can listen to Chapter 4 below. The contents of the guidebook are also below.
Today, you are going to think about what instructions might be better to put in this 'How To Train Your Dragon' guidebook, so that future Vikings might find it more useful!