Issue: #19
Last valuation update: 2026-03-20
Patience may be a virtue, but can Batgirl stand still long enough to stop a super-speedster foe? "The Lesson" continues as the mysterious Order of the Scythe unleashes its first weapon in their war on Batgirl – Slipstream!
Creators: Dave Sharpe, Janelle Asselin (Siegel), Katie Kubert, Dustin Nguyen, Guy Major, Ramon Bachs, Bryan Q. Miller
Characters: Barbara Gordon, Stephanie Brown, Nick Gage, Slipstream, Jabberwock, Wendy Harris, Gray Ghost, Crystal Brown
Story arcs: Batman Incorporated