This series covers a wide range of subjects and is presented in the David Salaryia style. These books will broaden children's understanding and appreciation of the world around them, and provide answers to a host of intriguing questions. 'Writing and Printing' explores the history of written languages from ancient symbols through Asian and Islamic writing to modern printing and publishing methods. 'Radio and TV' features the fascinating stories of the development of radio and TV, simple explanations of how they work and how modern radio and TV programmes are made. 'Photography and Film' features all the technical know-how clearly and accessibly from Camera Obscuras to amazing modern-day special effects. 'Beneath the Oceans' reveals how the hidden depths of the oceans have a fascinating story to tell. It at the many creatures that live there, its natural resources and the history of its exploration.