The book, and the movie, the "Fault in our Stars" have many similarities and differences.
Hope this helped :)
I am not an expert in this field, but the most educated guess I can make is that the 1st one is the best option. A colon is primarily used to list out different objects that correspond with the previous statement. Although the 2nd option could make it seem like a valid choice, the way the clause before the colon is formatted makes it a bit awkward. the 3rd option should be a comma instead of a colon.
