Shonen Jump Weekly is a magazine full of the latest manga, for
shonen rarely shugo. It is only sold in Japan and is in
Japanese.
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You can subscribe to weekly Shonen Jump in North America through the official VIZ Media website. Simply visit their subscription page and follow the instructions to sign up for either a digital or print subscription.
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Shonen Jump is for T 13+
Shonen Jump Advanced is fro T 16+
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Yes if you get a subscriber card or something you can get them
at anime conventions