This issue has variants.
On-sale date from copyright registration.
A Time-Pool story. Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
16 page preview insert continued in MOTU #1. Special insert between pages 13 & 14 of main story; appeared in all Nov 1981 DC titles
Letters from Anthony R Cardno, Larry Schulz, Neil Ahlquist, Mark Lagasse, W Gregg Stamey Jr, Jef Hammons, Scott Gibson, Kirk Owen, Vincent Forrington, Matt Greco, Don Carnes, Wallace Lee Hopkins, Erik Cropley, Ronald Melendez, and Mike Spicer.