The Wizard's Tower

From publisher blurb: An Evil Enchanter! A nameless wizard threatens the elves of the Gallowswood Forest in The Wizard's Tower! Brave heroes must face a gauntlet of terrible foes, magical traps and a mad arcanist who is part of a greater plot as if they hope to safe the woodland realm. Whether played independently or as part of the White Box Trilogy that began in The Wererat's Well, this adventure will push old school gamers to their limits. Featuring over twenty encounter locations and three new monsters, The Wizard's Tower is an adventure for between six and eight charaters of 4th to 6th level for Swords & Wizardry WhiteBox!