I second the recommendation for dropbox. If you use dropbox, just copy your ebook to your dropbox on your pc. Then when you click on your dropbox folder on your Acer Iconia it will ask you if you want to use Lumiread or Aldiko
(if you have both of them on your Acer) I chose Aldiko and like magic the book goes right there
! Hope this helps...it is so easy!