Happy Summerween! / The Convenience Store...of Horrors! is the first in a series of storybooks based on Gravity Falls episodes. This book is an illustrated adaptation of the episodes "Summerween" and "The Inconveniencing." It comes with stickers.

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Title description

It's Summerween in Gravity Falls! Can Mabel and Dipper collect enough candy to save their souls from the Summerween Trickster? Or will they run out of time and become the monster's twin treat? Then, when Dipper and Mabel join Wendy and friends in exploring a haunted convenience store, strange things start to happen. Can the twins escape before it's too late? Or will they be trapped forever by ghosts? Readers will love this eerie 2-in-1 8 x 8 with spooky stickers!

Differences/additions from source material

Happy summerween the convenience store of horror cover

The mock cover.

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