When a fifth edition of The Book Of Mormon (the actual book, not the play!) is brought into the shop, Rick is taken aback by the initial asking price. So he calls in his book expert Rebecca to take a look. After close inspection, she proclaims it’s the most valuable book she’s ever appraised on Pawn Stars. While this edition of the book is from 1842, first editions can date back to 1830. See how much it’s worth in the following clip!