Context: This is the new image for the paperback book of THE LOVEDAY SECRETS due out in December . This is book nine of the series and the covers have certainly changed over the years to depict new trends in the publishing industry . Over half the books have had different hardback covers to those for the paperback .

Question: What may have been the reason for the book 's changing covers ?
Options:
0. The book 's image would constantly change so new covers were a necessity .
1. Different things were happening in the industry so the covers were forced to change .
2. Different things were popular so the artwork would have to change .
3. None of the above choices .
Answer: 2