Currently I am having some trouble getting two seperate quests to progress properly.

The first is a quest which requires the Player to take TWO items from a chest; however, my attempt to script this has failed:

Event OnItemAdded(Form akBaseItem, int aiItemCount, ObjectReference akItemReference, ObjectReference akSourceContainer)
If (akBaseItem == Pelt) && (akBaseItem == Receipt)
GetOwningQuest().SetStage(20)
EndIf

endEvent

The second is a quest which requires the Player to find a book. When the Quest stage for this objective starts, a reference to the book is created in three places. One in a physical location, another in the inventory of a particular NPC, and the final one in the leveled list of a specific, vanilla Merchant. This last one I cannot get to work. I have tried creating a reference through an alias to a new Leveled Items list containing the book into the merchant's container, as well as making a reference to the book in the merchant's container, but neither were successful. I expect that I am missing something simple that I could do instead.

Any help that anyone can give will be greatly appreciate, for either of these two problems.