Premise: Harlem Beat (ハーレム・ビート , Hāremu Bīto ) is a Japanese manga series created by Yuriko Nishiyama. It was published by Tokyopop in the United States. The series contain 29 volumes in Japan. However, in the U.S., the manga goes up to 9 volumes under the name "Harlem Beat", while volumes 12+ are published under the series title Rebound. As of August 31, 2009, the "Rebound" volumes are out of print.
Hypothesis: Tokyopop went on to produce several other manga series.