How many different ebooks are there




















The company plans to complete the scanning of existing books within a decade. The resulting virtual collection will consist of four billion pages and two trillion words, Orwant said. About 10 to 15 percent of these books are in print. The remaining books — the vast majority of all titles — are still under copyright but out of print. Google is in the process of borrowing copies of these books in order to digitize them, from about 40 large libraries worldwide. The company is now waiting for a judgement from the U.

While counting up all the actual individual texts populating bookstores, public libraries, and private collections throughout the world would be a Sisyphean task, there might be a way to at least approximate how many unique book titles have ever been published. Trying to determine how many books there are first raises a deceptively simple question: What is a book, anyway?

On its surface, this definition replicates the concept underlying International Standard Book Numbers ISBN , the universal identifiers for all books in the commercial marketplace. However, ISBNs have only existed since the mids and have yet to be widely adopted in non-Western regions of the world, so relying solely on that single number omits vast portions of printed material. Relying solely on ISBNs to determine the number of published books offers a murky, unsatisfying answer.

Other institutions have attempted to standardize their comprehensive book catalogs, among them WorldCat and the Library of Congress, but these numbers are even more likely to be assigned in multiples to the same titles due to different cataloguing rules.

Simple titles, author names, and publishing companies are less reliable still, as human error in transcribing all that information into a database can also lead to duplicates. A popular example of a memoir is Becoming by Michelle Obama. Political nonfiction books can include books written by career politicians, books that explore political systems, or books that discuss the politics of a certain period.

A Promised Land by Barack Obama is an example of political nonfiction. Self-help books aim to aid the reader in improving some part of her life. Common topics covered by self-help books include relationships, finances, and mental health. Covey is a classic example of a popular self-help book.

The popularity of genres changes over time, but these genres rarely lose popularity. Young adult fiction is written for readers ages 12 to They incorporate the typical reading level and worldview of tweens and teens in this age group.

The Hunger Games series by Suzanne Collins is an example of popular young adult fiction. Books in this genre are written with readers under the age of 12 in mind. Classic Dr. Thrillers are suspenseful stories, which makes a crime thriller a book that has a crime as its main subject while keeping readers on edge.

The main characters are often fighting for justice. John Grisham is a well-known crime thriller author. These books are usually character-driven and introspective. They are sometimes called serious fiction because of their tone. Also known as Sci-Fi, science fiction deals with the imagined future in terms of science or technology advances. This genre includes things like time travel, outer space, and intelligent life.

The Time Machine by H.



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