Weekly Shonen Jump is a weekly magazine. Commonly refered to as "Weekly Jump", it contains many popular manga titles, with a chapter and some color spreads each week. There are many other weekly magazines featuring manga, all published by Shueisha, including Young Jump and Monthly Jump.
Weekly Shonen Jump publishes a chapter of each manga featured each week on Wednesday, about Tuesday in the US. Many of these manga are very popular, and commonly become anime, some even going on to be large, popular anime series, such as One Piece, Naruto, Bleach, Toriko, Dragon Ball, Yu-Gi-Oh!, and Rorouni Kenshin. Manga are often released in tankobon volumes with high quality printing material.
Shonen Jump Covers
Over Kochikame's run in Shonen Jump, it has been featured on a number of covers over the years.