Contribute to opensource: the right way 3nd edition

Open Source is a topic that today is used also outside the IT world but nobody talks about how to be part of it, instead only to be a consumer or how can be profitable.
Rome wasn't build in a day but all the streets lead to Rome, we have all the streets but we are missing capable people to keep this world growing and improving.
Be a part of the open source world can be the 21 century skills that you deserve?
Book source available at https://github.com/Mte90/Contribute-to-opensource-the-right-way