<p>There ist the is the list:</p><p></p><ul><li><img alt="" src="https://tibiopedia.pl/images/static/items/umbral_spellbook.gif" style="height:32px; width:32px"> Umbral Spellbook - 1 slot (+2 mlvls, earth +3%, energy +3%, fire +3%, ice +3%)</li><li><img alt="" src="https://tibiopedia.pl/images/static/items/umbral_master_spellbook.gif" style="height:32px; width:32px"> Umbral Master Spellbook - 1 slot (+4mlvls, earth +5%, fire +5%, ice +5%, energy +5%)</li><li><img alt="" src="https://tibiopedia.pl/images/static/items/spellbook.gif" style="height:32px; width:32px"> Spellbook - 1 slot</li><li><img alt="" src="https://tibiopedia.pl/images/static/items/wooden_spellbook.gif" style="height:32px; width:32px"> Wooden Spellbook - 1 slot</li><li><img alt="" src="https://tibiopedia.pl/images/static/items/spirit_guide.gif" style="height:32px; width:32px"> Spirit Guide - 1 slot (+4 mlvl, energy +6%)</li><li><img alt="" src="https://tibiopedia.pl/images/static/items/book_of_lies.gif" style="height:32px; width:32px"> Book of lies - 1 slot (+4 mlvls)</li><li><img alt="" src="https://tibiopedia.pl/images/static/items/spellbook_of_enlightenment.gif" style="height:32px; width:32px">Spellbook of Enlightenment - 1 slot (+1 mlvl)</li><li><img alt="" src="https://tibiopedia.pl/images/static/items/spellbook_of_warding.gif" style="height:32px; width:32px">Spellbook of Warding - 1 slot (+1mlvl)</li></ul><p>But also for mages we can use other shields with imbuement slots:</p><ul><li><img alt="" src="https://tibiopedia.pl/images/static/items/brain_in_a_jar.gif" style="height:32px; width:32px"> Brain in Jar - 1 slot (+3 mlvls, protection earth +7%)</li><li><img alt="" src="https://tibiopedia.pl/images/static/items/shoulder_plate.gif" style="height:32px; width:32px"> Shoulder Plate - 1 slot (+3 mlvls, physical +2%, earth +6%)</li><li><img alt="" src="https://tibiopedia.pl/images/static/items/depth_scutum.gif" style="height:32px; width:32px">Depth Scutum - 1 slot (+2 mlvls)</li></ul><p>TibiaFandom - <a rel="nofollow" href="https://tibia.fandom.com/wiki/Spellbooks">link</a></p><p>Tibiopedia - <a rel="nofollow" href="https://tibiopedia.pl/items/armory#shields">link</a></p>