Argumento
DETECTIVE COMICS #1000 FORBIDDEN PLANET EXCLUSIVE BRIAN BOLLAND VARIANT COVER DC COMICS (W) Peter J. Tomasi & Various (A) Doug Mahnke & Various (CA) BRIAN BOLLAND**LIMITED TO 2500 COPIES**
After long years following clue after clue in a case, the Batman finally solves it: it was a test from the Detective Guild to accept him as a member.