- Books
- Knowledge and skills
- Computers
- Computer reference
Computer reference
Subgenres
- Books about computers
- Programming
- Other reference
- Computer tech
- Foreign computer books
- Programs
- information security
- Internet
- Operating systems and networks
- Computer reference
- Databases
- Educational reference
- Household references
- Popular reference
- Production/practical publications
- Scientific reference
- Biographical references
- Biographical bibliographical references
- Socio-political reference
- technical guides
- Bibliographical references
- business directory
E-books and audio books
