lesson I. A guide for listeners in / by Abby Morrison -- lesson II. Radio simply explained / by Waldemar Kaempffert -- lesson III. Tuning and what it means / by John V.L. Hogan -- lesson IV. The Aladdin's lamp of radio / by J.M. Morecroft -- lesson V. Bringing the music to the fair / by R.S. Ould -- lesson VI. How to make your own parts / by Raymond Francis Yates -- lesson VII. Installing the home set / by Pierre Boucheron.