Pop-ups are ingenious mechanical paper devices that are designed to surprise, entertain and educate, and this informative practical guide reveals all the secrets of making them yourself. Projects begin with basic mechanisms such as the V and A fold, and then progress on to more complex paper engineering involving pivots, layers and tab pulls. Every section includes an inspirational gallery of work from established paper engineers and pop-up artists. Whether you want to make a simple children's birthday card, a set of elegant wedding invitations or a complete pop-up book of your own design, this step-by-step volume will be a constant reference.