Unlimited Sidebars
Power Theme options brings a wonder full options for you where you can create unlimited sidebars you want to have. Just type and side bar name and hit the plus button sidebar will be created automatically at widgets area.
Sidebar Style
TheBookstore gives you the control to add the sidebar margin from tope and bottom and for the first time TheBookstore gives you the control to have the background color you wish to have for the sidebar area. Also you can set the padding of the sidebar from all positions.