hello Diso, and welcome !
indeed, you seem to have a great passion for ebooks ! you have come to the right forum, as you will find many like-minded people here.
Your different projects sound very interesting and i wish you the greatest success in carrying them out. take a look around the forums and the wiki (there is a link at the top left of every page) to find plenty of good information, and don't hesitate to ask any questions ; you will find a lot of friendly, helpful experts around here.
since you love ebooks, i hope you have already discovered the thousands of free ebooks we have available for download here, all formatted and made available by our members. just click on the "ebooks" link in the blue navigation bar near the top of the page.