A sub-imprint named "Arrow Manga" began in 1999 and included Descendants of Toshin, Miss Chevious: The Armageddon Project, Semantic Lace, and Butterly Gunn (originally solicited as Happy the Clown Manga Special). In 2002, "Arrow Books" released the trade paperbacks The War of the Worlds: Haven and the Hellweed, which collected the 1996 Caliber Comics The War of the Worlds series written by Zimmerman, and then Zimm's Heroic Tales, a superhero anthology.
A spin-off label named "Arrow Manga" debuted in 1999 with titles including Descendants of Toshin, Miss Chevious: The Armageddon Project, Semantic Lace, and Butterly Gunn (initially marketed as Happy the Clown Manga Special). Two years later, "Arrow Books" released trade paperbacks such as The War of the Worlds: Haven and the Hellweed, which compiled the 1996 Caliber Comics series penned by Zimmerman, and then Zimm's Heroic Tales, a superhero compilation.