The idea for this text stemmed from the fruitful experience gathered during the training course of 9 Nigerian university students organized in Naples from 3 to 18 September 2008 by the team of Fondazione IDIS-Citta della Scienza under the project Science Centre Owerri. The training course turned out to be not only an educational opportunity to acquire knowledge and skills for these students, but also a real and practical tool that later led to the realization of the first Science Festival of Owerri in Nigeria in May 2009. This in turn sparked the idea of creating a highly practical handbook...