The publishing world is full of many different sectors and categories. And book publishing alone has many sub categories.

First there is trade publishing which refers to books designed for the general consumer.

Professional and scholarly publishing is all about journals and books written specifically for professionals in various fields.

Educational publishing is in reference to textbooks published by educational publishers. These books are published for students of all levels and the publishers also create complementary materials such as tests and workbooks.

There are also independents publishers which are privately owned and they have the freedom to publish what they are passionate about.