Amazon.com description: Product Description: This is the first general introduction to collapsibles -- objects that, in one way or another, fold out for action & fold up for storage. Collapsibility is an elementary design principle applied to a great many everyday objects, from telescopes to umbrellas, newspapers to Venetian blinds, furniture to perambulators. Collapsibles work by adjustment, which is a basic strategy for survival. This book also aims to inspire designers to create space-saving objects of great elegance & functionality. Chapters: Fold-it; Mechanics; & Furniture. Hundreds of color photos & illustrations show a wide variety of ingenuous collapsible objects.