Approximately how many non-fiction books fail each year?

It's hard to give an exact number. But it's a significant amount, with thousands of non-fiction titles hitting the shelves every year.

It's hard to give an exact number as it varies greatly depending on many factors such as genre, publishing houses, and market demand. But it's safe to say that the number is in the thousands.

It's hard to give an exact number as it varies greatly depending on many factors like genre, author popularity, and marketing efforts. But it's in the millions globally.

The number of fiction books published annually is quite substantial. It depends on many factors like the popularity of reading, market demand, and the efforts of publishers. Generally, it could be in the tens of thousands or even more.

It's hard to give an exact number. Different publishers and regions have varying rates of publication, and it can vary greatly from year to year.

It's hard to give an exact number. The number varies a lot depending on various factors like market demand, author submissions, and publisher decisions.

The number of science fiction books sold each year is difficult to determine precisely. It's influenced by things like new releases, marketing, and reader interests. However, it's a significant amount.

It's hard to give an exact number. The number varies greatly depending on various factors like genre, publisher size, and market trends.

It's hard to give an exact number because it varies a lot depending on factors like genre, author popularity, and marketing. But it's in the millions.

It's hard to give an exact number. The number varies greatly depending on different publishers and regions. Some years might see a high volume, while others could be lower.