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Weekly Shōnen Jump (週刊少年ジャンプ) is a weekly shōnen manga magazine published in Japan by Shueisha under the "Jump" line of magazines.

The first issue was released with a cover date of July 2, 1968, and it is still circulating. One of the longest-running manga magazines in Japan, it has a circulation of 2.8 million copies (2009). The chapters of series that run in Weekly Shōnen Jump are collected and published in tankōbon volumes under the "Jump Comics" imprint every two to three months. The manga series within the magazine target young male readers and tend to consist of a large number of action scenes and a fair amount of comedy.

JoJo's Bizarre Adventure was originally serialized in Weekly Shōnen Jump from 1987 to 2004. In 2005, the series changed the magazine of its publication to Ultra Jump during the run of its seventh installment, Steel Ball Run.

History
Weekly Shōnen Jump was launched by Shueisha on July 2, 1968 to compete with the already-successful Weekly Shōnen Magazine and Weekly Shōnen Sunday. The Weekly Shōnen Jump's sister publication was a manga magazine called Shōnen Book, which was originally a male version of the short-lived shōjo manga anthology Shōjo Book. Prior to issue 20, Weekly Shōnen Jump was originally called simply Shōnen Jump as it was originally a semi-weekly magazine. In 1969, Shōnen Book ceased publication at which time Shōnen Jump became a weekly magazine and a new monthly magazine called Bessatsu Shōnen Jump was made to take Shōnen Book's place. This magazine was later rebranded as Monthly Shōnen Jump before eventually being discontinued and replaced by Jump Square.

Overview
Many of the best selling manga of all time originate from Weekly Shonen Jump magazine. Shōnen Jump spawned the Jump magazine line as well as the Jump Comics imprint label for publishing tankōbon. The magazine has also had several international counterparts, including the current North American Weekly Shonen Jump.

JoJo's Bizarre Issui Covers

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