The Seventh Crystal is the twelfth novel in World of Adventure series by Gary Paulsen. It was published on July 1, 1996, by Random House.

The Seventh Crystal
AuthorGary Paulsen
LanguageEnglish
SeriesWorld of Adventure
GenreYoung adult novel
PublisherRandom House
Publication date
July 1, 1996
Publication placeUnited States
Media typePrint (paperback)
Pages71 pp
ISBN0-440-41051-7
OCLC35118442
Preceded bySkydive! 
Followed byThe Creature of Black Water Lake 

Plot

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The story is about Chris Masters who is having problems with bullies at his school, stealing his lunch money and threatening him. His next biggest problem is a video game called The Seventh Crystal which came in the mail with almost no instructions.