Real books. The best small four-door pocket book brand is the real book. The contents of this brand pocket book are marked in detail by cartoon illustrations, which is convenient for students to remember and understand, and the key contents are described in detail, which is convenient for students to learn to understand and remember.
It is the main tool used by human beings to record all achievements. A book generally refers to a collection of paper bound into a book and printed with words. It is also an important medium for human beings to blend feelings, inherit knowledge and gain experience, which is of great significance to the development and inheritance of human civilization. It is an important tool for human beings to spread and record knowledge.
Book type:
1, pocket book
Pocket books refer to books with a size of less than 32 sheets and no more than 10 sheets. The rise of pocket books can be traced back to the Penguin series published in London in July 1935, which sold more than 25 million copies in three years and achieved great success.
Pocket books swept the world and triggered a "paper book revolution", which had a far-reaching impact on the publishing industry in Europe and America. They were even included in human inventions, human adventures and unusual events in the 20th century together with Kodak Colom color film invented in the United States.
2. E-books
E-books in simple text form can no longer meet the requirements of readers, so e-books in CHM and HLP formats came into being. As the standard formats of Windows system help files, CHM and HLP formats can support the insertion of pictures.
And it can also be read by readers by making directories, indexes and other functions. Both formats can be read directly in Windows system without any third-party software support.
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