So Spellweaving is in.... Now.... let me try and remember where the mission is...
To begin training, you must first complete the Patience Quest in Heartwood. Upon completion of either quest, you will receive: a Spellweaving spellbook, an Arcane Circle scroll, and a Gift of Renewal scroll. To fill the rest of your spellbook you will either have to kill monsters in Mondain's Legacy dungeons or buy them from other players. Two spells, Summon Fey and Summon Fiend, can only be earned by completing certain quests.
Look for Aeluva the Arcanist in Heartwood (Gate/teleporter in the middle of Yew).
Can you take a look - I will try and test it later.