Genre
Electronic books
26
Juvenile literature
5
Examinations, questions, etc
3
Handbooks, manuals, etc
2
Problems, exercises, etc
2
Children's poetry
1
Comic books, strips, etc
1
Early works to 1800
1
Flash card (crd)
1
Humor
1
Laboratory manuals
1
Outlines, syllabi, etc
1
Picture (pic)
1
Popular works
1
Software
1
Textbooks
1