This book follows Marconi's life from his upbringing in Italy to his work in London on inventing and perfecting the radio. As well as telling his life story, this book combines science boxes which explain the science behind his discovery with contemporary quotes which show how he made an impact on his world. Towards the end of the book, it discusses Marconi's influence as an individual and a scientist on the wider world, giving the reader an insight into how he fits into the context of 20th century history as a whole.