What Am I?: 100 Historic Inventions and Discoveries of the World

This book is packed with the power of amazing facts and information to let you surge ahead on a journey that is both fun as well as filled with knowledge. While teachers and students can use this book very effectively in school for project work, it can be also help to test each other wit and knowledge. This book gives relevant and precise information on 100 historic Inventions and Discoveries of the world.