- EbookThe Indian Space ProgrammeGurbir Singh
- EbookYuri Gagarin in London and Manchester A Smile that Changed the World?Gurbir Singh
- EbookIndia's Forgotten Rocket PioneerGurbir Singh
- EbookMy Personal History of The British Interplanetary Society 1933 - 1937 LiverpoolLeslie Johnson
- EbookIndia’s Forgotten Rocket PioneerGurbir Singh
- EbookMy Personal History of The British Interplanetary Society 1933 - 1937 LiverpoolLeslie J Johnson