Books
2 results found| Title | Authors | Description | OpenBook ID | |
|---|---|---|---|---|
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Mysterious messages | Gary L. Blackwood | History's amazing secrets and codes—and how to crack them yourself.This fascinating look at history's most mysterious messages is packed with puzzles to decode and ciphers that kids can use themselve… | OL15057814W |
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Dorothy Hodgkin | Kristin Thiel | 128 pages : 24 cm | OL24769289W |