The author-photographer's son made a long-distance call to his sister visiting in New York and then the whole family trekked to the telephone company's local office to see how the call had gone through: here, re-enacted, amateurishly overacted, is what happened, with a few extra shots of men laying underground cables, of an auto telephone and a microwave tower, of the relay system in New York. The explanation of sound waves and their transformation into electrical impulses is incomplete, the examination of transmission more thorough--and it is fun to see where the wires go. A twenty-six page photo essay that is half family antics is not, however, much of a book.