eBooks require very little experience in terms of writing and publishing them as they are already available in the print form. When marketed properly an e-book is an amazingly effective tool to attract and enhance one's client base. The focus however should be on making the eBook catchy, readable and credible leading to profitability.

eBooks are extremely inexpensive to publish as compared to costs incurred by using traditional publishing methods. Plus there is no shipping or warehousing cost and they are easily-updateable.

eBooks can be enhanced with photos, video clips, music, font magnification, animation and multiple links to other eBooks to make the whole experience thrilling!

Some of the popular subjects that have the most number of eBooks on line are:

• Fiction and fantasy - Scores of eBooks on Sex, Romance, novels, fiction, especially sci-fi fiction, thrillers and non-fiction are available on the Internet. In fact, it is the most written-about topic in the web world.

• Reference material - Rare books for research, especially on history, ancient archeology, reference books from libraries are available in the eBook format.

• Self-help books - This new genre of books is the second most sold out category after sex and romance. In fact the sales of all these "feel good" and fix-your-life-yourself books are on the rise consistently, especially among women readers.

• Religion & Philosophy - Religion & Philosophy is the third most sought after category after sex and self-help. eBooks on religion and philosophy are abundantly available.

• Business & Economics

• Crafts & Hobbies - eBooks on various craft and hobbies and topics like gardening are quite popular.

• Educational ebooks - Educational and reference eBooks are widely in use in schools and in teaching. Other educational eBooks include books on computers, schools books, books on technology and engineering, language books, dictionaries Arts, Law, Literature, Mathematics.

• Management and Training - More and more HR trainers are using eBooks as an efficient tool for training.

• Travel is yet another important area on which you will find many interesting eBooks.

Apart from these, eBooks exist on practically all topics imaginable, only the number of titles varies. There sure is enough to whet everyone's appetite!

• Media

• Medical

• Music

• Performing Arts

• Pets

• Photography

• Poetry

• Psychology & Psychiatry

• Study Aids

• Transportation

The Internet is literally bombarded with eBooks on newer topics almost everyday and with a client base spread across continents, eBooks cover almost all topics under the sun that one can think of and their tribe is ever increasing.