| Action & Adventure | 001 |
| Arts, Science & Technology | 002 |
| Aviation, Motoring & Boating | 003 |
| Biographies, Memoires & Personal Stories | 004 |
| Business, Economics, Politics & Finance | 005 |
| Children’s Stories | 006 |
| Education | 007 |
| Entertainment | 008 |
| Fantasy & Sci Fi | 009 |
| Fiction | 010 |
| Food & Cooking | 011 |
| Health & Nutrition | 012 |
| History | 013 |
| Hobbies & Games | 014 |
| Humour | 015 |
| Music | 016 |
| Mysteries & Thrillers | 017 |
| Nature | 018 |
| Non-fiction, Literature, philosophy | 019 |
| Poetry & short stories | 020 |
| Professional | 021 |
| Psychology | 022 |
| Real Life Drama | 023 |
| Reference | 024 |
| Romance | 025 |
| Self-help | 026 |
| Sports & Fitness | 027 |
| Spirituality & Religion | 028 |
| Travel & Tourism | 029 |
| Young Adult | 033 |