Cally Hall is a geologist and the creator of instructional guidebooks that make geology accessible to a wide range of readers. In 1994, she published her debut book, Gemstones, a DK Smithsonian Handbook. She's also the author of two science-themed children's books, Closer Look at Mountains and Closer Look at Forests.
| SKU | Unavailable |
| ISBN 13 | 9781564584984 |
| ISBN 10 | 1564584984 |
| Title | Gemstones |
| Author | Cathy Hall |
| Series | Dk Handbooks |
| Condition | Unavailable |
| Binding Type | Paperback |
| Publisher | DK Publishing (Dorling Kindersley) |
| Year published | 1994-03-15 |
| Number of pages | 160 |
| Cover note | Book picture is for illustrative purposes only, actual binding, cover or edition may vary. |
| Note | Unavailable |