- 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