Please give us a way to buy Liber Brassica Felix Vol 4. Ruru the Cook no longer exists. If you do not have plans to correct this, please remove it from the requirements for points. From what I have read, EQ has no plans on putting him back.
A book you don't need if "Earring of the Solstice" is available. Those books had recipes for each part to get the earrings. If you can't allow it, I think you can request the return of the book.
The books aren't required, just make the item. https://everquest.allakhazam.com/db/item.html?item=12455 Then do the turn in. https://everquest.allakhazam.com/db/quest.html?quest=2420