The most expensive book ever
- The most expensive book ever sold
- The most expensive book ever purchased
- The most expensive book ever purchased was sold for $30.8 million
- The most expensive book ever published
- The most expensive comic book ever sold
- The most expensive comic book ever
- What was the most expensive book ever sold and who bought it
- The most expensive comic book ever made
- Which is the most expensive book ever sold at auction
- Most expensive book ever bought
- Most expensive book ever auctioned