The main differences between the first and second edition of Grave Robber's Chronicles were as follows: 1. The copyright of the first edition of Grave Robber's Chronicles belongs to the author, Qin Jian, while the copyright of the second edition belongs to the publishing house. This meant that the reprinted book might be authorized by the author Qin Jian and could be used for commercial re-creation. 2. The contents of the first and second edition of the book may be slightly different. In the case that the copyright issue was not resolved, the author, Qin Jian, might modify or delete the reprinted book to meet the needs of the publishing house or readers. 3. Print: The printing of the first and second edition of the book may be different. For example, the first edition of a book might use clearer font and higher quality paper, while the second edition might use cheaper printing equipment and inferior paper. 4. Price: The price of the first and second edition books may also be different. Before the copyright issue was resolved, the author Qin Jian might adjust the pricing of the reprinted books to meet the needs of commerce.