Ben 10 Planet

Gwen's Spellbook

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Gwen's Spellbook
Gwen spellbook
General Information
User Gwen Tennyson
Charmcaster (formerly)
Rook Blonko (temporarily)
Type Book
First Appearance A Change of Face

Gwen's spellbook, or her Grimoire, as she refers to it in Couples Retreat, is a purple and gold miniature spellbook which previously belonged to Charmcaster. Gwen kept it as a souvenir in A Change of Face, something that Charmcaster still hates her for. It was revealed that Gwen brings her spellbook to school, as seen in It's Not Easy Being Gwen, when she pulled it out of the purse she was bringing to school. In Couples Retreat, it is revealed that it was kept on her desk at her house, but later Kevin moved it to a box in his garage for safekeeping.



Ben 10

Inside the book 1

Inside the book in the original series

Ben 10: Alien Force

Inside the book 2

Inside the book in Alien Force and Ultimate Alien

Ben 10: Ultimate Alien

Ben 10: Omniverse

Video Games

Cosmic Destruction

The book was seen in Ben 10 Ultimate Alien: Cosmic Destruction, Gwen used it to send Cooper to home with the spell Meven Aweg.


  • In the original Ben 10 series, Gwen's spellbook was pocket size. Then in Ben 10: Alien Force, it was huge, and bigger than her hands. In Ben 10: Ultimate Alien, it was pocket-sized again.
  • In the original series and Omniverse, Gwen's spellbook had pictures of the spell, but in Ben 10: Alien Force and Ben 10: Ultimate Alien, it was in runes, which only people with knowledge of magic can read.

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