Codes and Secret Writing
| Author | : Herbert Spencer Zim |
| Publisher | : |
| Total Pages | : 124 |
| Release | : 1948 |
| ISBN-10 | : 0590025058 |
| ISBN-13 | : 9780590025058 |
| Rating | : 4/5 (058 Downloads) |
Book Synopsis Codes and Secret Writing by : Herbert Spencer Zim
Download or read book Codes and Secret Writing written by Herbert Spencer Zim and published by . This book was released on 1948 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explains how to make and break several kinds of codes, how to use secret languages and how to make invisible inks.