To start out with, an online guide
http://www.dontwasteyourtime.co.uk/ebook/writing-an-ebook/#sthash.H6qbyRTG.JmItbTmG.dpbs

And you want to do it on an Ipad? good luck. There is a list of citation managers here:
http://www.educatorstechnology.com/2014/03/the-best-citation-and-bibliography-apps.html
More options: These were gathered from an online mailing list.

Microsoft Publisher
http://office.microsoft.com/en-us/publisher/

Blurb
http://www.blurb.com
http://wiki.mobileread.com/wiki/Book_authoring_software
http://www.fastpencil.com/company/how_to_publish_a_book
http://creative-writing-software-review.toptenreviews.com/
http://www.innovasys.com/products/hs2011/overview.aspx
http://www.google.com/search?q=Helpstudio+%2B+review&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a
http://www.mobipocket.com/en/DownloadSoft/default.asp?Language=EN
http://www.flashbookmaker.com/
http://docs.scribus.net/index.php?lang=en&page=fonts3
http://www.writersua.com/articles/xmlmind/index.html

Interactive eBooks a free cross platform resource
a free IOS and Android
development platform:
http://www.giderosmobile.com/
http://www.sourcefabric.org/en/booktype/
and http://calibre-ebook.com/


Some more resources from the IT forum mailing list

http://bevslidbasecamp.blogspot.com/

garned

also

http://edu.epubbud.com/



http://www.ibm.com/developerworks/xml/tutorials/x-epubtut/index.html



from scope discussion

https://docs.google.com/document/d/1AZohACfMGf7V4EL8jjVppCBdUDGtKndwGhsozJQsstQ/edit







There is more comprehensive material on this web page
http://bevslidbasecamp.blogspot.com/

There are more and more expensive options here:
http://www.writersua.com/restools.htm#authoring