Sora ebooks and audiobooks are loaned out for 14 days.
When you are close to the end of the loan period, Sora will remind you and ask if you want to renew it. Unfortunately, if you have not finished it and someone else has a hold on it, the book will leave your shelf and will be lent out to that other person.
We encourage you to not procrastinate on your book club reading. Any notes and highlights you have made will continue on your app even after the book is returned, so if you are interrupted because you run out of time, place your own hold on the book and continue reading again.