hi, in the firefox quantum default layout the combined library icon for bookmarks/history/downloads...) is replacing your bookmarks button that you're used to - when you go into customization mode, you can place the dedicated bookmarks button back onto the toolbar though ;-)

Customize Firefox controls, buttons and toolbars

K that worked now if you could tell me how to move that to the right hand (mouse) side that would be great

thanks

In customization mode you should be able to drag the bookmarks icon over to the right side.