Spellsinger

24 books. Every source is listed: one book often drops from several monsters and at different chances.

Lvl	Skill	From whom	Where	Chance	With premium
40	Aura Bolt	Tanor Silenos 40	Tanor Canyon	0.25%	0.38%
40	Aura Flare	Tanor Silenos 40	Tanor Canyon	0.25%	0.38%
40	Curse Fear	Lienrik Lad 40	Field of Silence	0.25%	0.38%
40	Freezing Skin	Lienrik Lad 40	Field of Silence	0.25%	0.38%
40	Frost Bolt	Nos 40	Field of Whispers	0.25%	0.38%
40	Hydro Blast	Manashen Gargoyle 40	Ivory Tower Crater	0.25%	0.38%
40	Mana Regeneration	Giant Fungus 40	Sea of Spores	0.25%	0.38%
40	Resist Aqua	Tanor Silenos 40	Tanor Canyon	0.25%	0.38%
40	Solar Flare	Enchanted Monstereye 41	Ivory Tower Crater	0.25%	0.38%
40	Surrender to Water	Giant Monstereye 41	Sea of Spores	0.25%	0.38%
44	Freezing Shackle	Nightmare Guide 43	Tanor Canyon, Giran Territory	0.25%	0.38%
44	Ice Dagger	Nightmare Guide 43	Tanor Canyon, Giran Territory	0.25%	0.38%
44	Sleeping Cloud	Dailaon Lad 42	Alligator Island	0.25%	0.38%
48	Cancellation	Tanor Silenos Shaman 48	Tanor Canyon, Giran Territory	0.25%	0.38%
52	Frost Wall	Zaken's Royal Guard 50	Devil's Isle	0.25%	0.38%
58	Aqua Splash	Luminun 58	School of Authority, Oren Territory	0.25%	0.38%
58	Aura Flash	Luminun 58	School of Authority, Oren Territory	0.25%	0.38%
68	Blizzard	Doom Trooper 66	Field of Massacre, Aden Territory, The Cemetery	0.25%	0.38%
70	Arcane Power	Conjurer Bat Lord 70	Aden Territory, Blazing Swamp, Field of Massacre	0.25%	0.38%
70	Frost Armor	Lava Wyrm 70	Aden Territory, Blazing Swamp, Field of Massacre	0.25%	0.38%
72	Ice Vortex	Hames Orc Sniper 71	Aden Territory, Blazing Swamp	0.25%	0.38%
73	Arcane Chaos	Hames Orc Footman 73	Blazing Swamp	0.25%	0.38%
74	Diamond Dust	Hames Orc Shaman 74	Blazing Swamp, Aden Territory	0.25%	0.38%
75	Hailstorm	Emberspine Lavasaur 73	Blazing Swamp	0.25%	0.38%