osint

This challenge only provides the following image of a book cover; As we can see, the ISBN is partially corrupted, and the goal is to recover the ISBN and thus recover the book title. After some quick googling, the structure of an ISBN10 code can be found. The following information is relevant; The first digits represent the country of publication, the next few digits represent the publisher, the remaining digits except the final digit specify the book’s title and edition, and the final digit is a checksum....