You need to leave Aleroth, head south and encounter Zandalor before you get the option to ask Goemoe about the teleporter scroll.
You need to be close to an object to pick it up. If you are too far away your character will move to the object, or if it is not recognized as an attempted drag and drop, do the standard move in the direction of the mouse cursor when the left mouse button is held down.
You can drag and drop an item to the menu bar on the bottom of the screen to place it in your inventory (though opening the inventory window does let you control exactly where it is placed).
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