Read comic: Batman: Gates of Gotham

comic
Summary:

When a mystery as old as Gotham City itself surfaces, Batman assembles a team of his greatest detectives – including Red Robin, Owlman, I-Ching and others – to investigate this startling new enigma. As clues are discovered and the mystery deepens, Batman’s team soon finds itself on a journey that explores different eras in Gotham’s history and touches upon notable Gotham families including the Waynes, Kanes, and Elliotts.