The perfect book for anyone who has a great idea but doesn't know what to do with it, How To Invent explores the process of invention from the initial inspiration through to prototyping and patenting
With six different colours, twenty one coloured pieces and fifty four outer surfaces, the Rubik's Cube has a mind-boggling 43 quintillion different possible combinations!
This book offers a whistle-stop guide to the history of leathercraft and tanning. The story begins in prehistory when people discovered, perhaps by chance, that skins exposed to smoke or accidentally
