Compendium 1 "Spark to Larkspur" (Wireless Sets 1910 - 1948) is the initial book organised into three main sections being 'World War 1', further divided into chapters covering spark sets, CW sets, receivers, amplifiers and miscellaneous. The second section, 'Interwar years' cover standard sets, experimental communication sets, experimental tank and AFV sets, early sets in the numerical series and miscellaneous items. Finally, the section 'World War 2' covers sets in the numerical series up to Wireless Set No. 88 AFV, Wavemeters, Aerial Coupling Equipment, Wireless Remote Control Units and Morse Training sets.

Compendium 2 "Spark to Larkspur" (Special Sets, Receivers & Larkspur) is in the course of preparation. The main sections in the final part of 'Spark to Larkspur' are 'Special Sets' divided into chapters Commercial, RAF and Admiralty sets adapted for Army use; ground to air sets; Special Purpose sets; local produced sets and private ventures. The 'Commonwealth sets' section deals with equipment manufactured and/or used in Australia, New Zealand and South Africa. 'Receivers' are covered in a separate section comprising chapters on: Numerical series; Commercial, RAF, Admiralty and Commonwealth receivers; Direction Finding receivers and Systems; Army Broadcast and Welfare receivers) The final section covers the 'Larkspur' range of sets, including Anti Aircraft Command sets.