Apply Personal User Account; Apply iBook Sharing Account; Sign in iBook Account to invite Personal User;
Personal User sign in to accept invitation to read Book.

Apply Personal Account: Go to www.myibook.com and click right side link Only create User Account

Fill in info and click SUBMIT button to create a Personal User Account, e.g. zoyi

Apply iBook Sharing Account: Go to www.myibook.com and click right side link Only create iBook to Share

Fill in info and click SUBMIT button to create an iBook Sharing Account, e.g. bk_zoyi

Sign in bk_zoyi, click top Invite User to Book or Doc Group

you can
(I) Special case, only allow Read Only User to Edit one doc, one section or one chapter;
(II) invite zoyi with Read Only or Edit priviledge to bk_zoyi

zoyi needs to sign in to accept invitation to read bk_zoyi, or zoyi can Deny to not read the ibook.

Click button “Accept Invitation…” to accept bk_zoyi

Now zoyi can sign in to see his/her own account, also see bk_zoyi ibook account with Edit privilege invited;
zoyi can invite other Read users into bk_zoyi.

Click button “bk_zoyi – Go” to go to ibook account, then click + Make a new Chapter / Section

Create Zoyi’s own chapter and section

After go to Home page, click ++; to the right of Zoyi Section

Create a new doc in Zoyi’s own chapter and section

Put docs and info in bk_zoyi, then invite other users to share.

More info, see http://www.myibook.com/faq.asp