MAVIS BATEY was one of Dilly's 'girls' at Bletchley Park. A top codebreaker in her own right, few knew him better. Batey, author of numerous books, advised Kate Winslett, star of the film Enigma, on what it was like to be one of the few female codebreakers at Bletchley.
Foreword ix
Acknowledgements xvi
Preface xvii
Chronology of events xix
1. The making of a codebreaker 1
2. Room 40 13
3. Alice in ID25 31
4. Between the wars 41
5. Enigma 56
6. The Warsaw conference 73
7. Bletchley Park as war station 85
8. Dilly's girls 105
9. The Battle of Matapan 118
10. Dilly and the Spy Enigma 131
11. Dilly's 'personal scouts' 143
12. Farewell 160
Appendices
Introduction to the Appendices
1. 'SECRET: Directions for Use of Keys for the Enigma I Cipher Machine' 170
2. 'Rodding' 174
3. 'Buttoning-up' 189
4. Report on the 'Lobster Enigma' 206
5. Abwehr and SD cipher machines attacked by the ISK section 210
Glossary 215
Notes 223
Index 236
