How to Keep a Secret
Edición de la obra How to keep a secret
| Autor | Elizabeth James |
|---|---|
| Editorial | Dell Pub Co |
| Fecha de publicación | July 1980 |
| Idioma | inglés |
| ISBN-13 | 9780440434832 |
| ISBN-10 | 0440434831 |
| OCLC | 7917784 |
| Número de Cutter | J27h |
Presents various methods of writing, speaking, and signaling secret messages.