What is the conflict to book crossing by Gary paulsen?

There isn't a book called "Book Crossing" by Gary Paulsen. It's possible you're thinking of a different book, or perhaps the title is slightly different.

Could you please provide more information about the book you're thinking of? For example:

* Do you remember any specific details about the plot?

* Is it a novel or a short story?

* Do you know when it was published?

With more information, I can help you figure out the conflict in the book you're looking for.