Appropriate Paper-based Technology (APT) is a comprehensive survey of the technologies for making a wide range of products from chess-men to armchairs, from trays to solar cookers, using paper. It is a revised and updated edition of the Manual of APT published by IRED, Harare, 1989 and 1991. The revised edition includes additional models and extra pages of colour photographs, and special supplements on APT in the service of disabled people.