The Tome functions the same as the Scroll of Identify; Right-clicking it will cause the cursor to change to "Identify" mode, and clicking on an Identifiable item will cause it to use up one Scroll, and identify the item.
|Diablo I Tomes|
Story Tomes — Book of Blood • Mythical Book •
Book of the Blind • Steel Tome • Dark Exile • Sin War • Binding of the Three • Great Conflict • Wages of Sin are War • Tale of the Horadrim • The Realms Beyond • Tale of the Three • The Black King
|Diablo II Tomes|