Storytellers Companion

A Storytellers Companion is a Storyteller-specific sourcebook that is bundled with a Storytellers Screen.

The books bundled with the Storytellers Screens weren't uniformly titled as Storytellers Companions until Vampire: The Masquerade Revised Edition and the other Revised-era revisions of the Classic World of Darkness games.

Vampire: The Masquerade

 * Booklet included with the original Vampire Storytellers Screen
 * Booklet included with the Vampire Storytellers Screen Second Edition
 * Vampire Storytellers Companion

Werewolf: The Apocalypse

 * Booklet included with the original Werewolf Storytellers Screen
 * Booklet included with the Werewolf Storytellers Screen Second Edition
 * Werewolf Storytellers Companion

Mage: The Ascension

 * Booklet included with the original Mage Storytellers Screen
 * Hidden Lore (included with the Mage Storytellers Screen Second Edition)
 * Mage Storytellers Companion

Wraith: The Oblivion

 * Wraith Storytellers Kit (included with the original Wraith Storytellers Screen)
 * Buried Secrets (included with the Wraith Storytellers Screen Second Edition)

Changeling: The Dreaming

 * Book of Storyteller Secrets (included with the original Changeling Storytellers Screen; not to be confused with the book included with the Vampire: The Dark Ages Storytellers Screen)
 * Book of Lost Dreams (included with the Changeling Storytellers Screen Second Edition)

Vampire: The Dark Ages

 * Book of Storyteller Secrets (not to be confused with the book included with the original Changeling: The Dreaming Storytellers Screen)

Werewolf: The Wild West

 * Frontier Secrets

Mage: The Sorcerer's Crusade

 * Crusade Lore

Hunter: The Reckoning

 * Hunter Storytellers Companion

Demon: The Fallen

 * Demon Storytellers Companion

Dark Ages: Vampire

 * Dark Ages Storytellers Companion (not to be confused with the Dark Ages Companion, an earlier standalone sourcebook for VtDA)

Street Fighter: The Storytelling Game

 * Shades of Gray (included with the Street Fighter Storytellers Screen)

Trinity Universe

 * Hidden Agendas (included with the Trinity Storytellers Screen)
 * Aberrant Storytellers Screen (both the name of the screen and of the booklet included with it)

Exalted

 * Exalted Storytellers Companion
 * Exalted Storytellers Companion Second Edition