This comprehensive reference work investigates the vast landscape of television history by cataloging over 2,000 terrestrial programs to serve as an authoritative guide for viewers. Authors Jim Sangster and Paul Condon leverage their extensive knowledge of media history to curate a detailed A-Z directory that spans classic British television, international cult hits, and significant genre-defining series. The text functions as both a historical record and a practical resource, providing context on production details, key characters, and cultural impact for each entry.

The framing suggests a highly accessible, enthusiast-driven resource designed for readers seeking both nostalgia and trivia regarding the evolution of television. The scope indicates a dense, specialist text that prioritizes breadth of coverage over deep critical analysis of individual episodes.