Steam power expanded the world and launched a revolution in transportation that propelled us into the twentieth century. Here, document with 90 outstanding period illustrations, is the story of the successes, setbacks and grand experiments of this remarkable technological revolution.80 pages. This book is in good condition with wear to the dust jacket and tears on corners,the book itself is good with rubs to the exposed edges.No writing inside. Please message if you have questions and thanks for looking!