Batman and Robin, visiting Commissioner Gordon, are handed a book by Sgt. Harvey Hainer. The book is a volume of 1,001 riddles autographed by the Riddler, who is presently hijacking a poultry truck. Noting that the book came from the Gotham State Prison Library, Batman and Robin learn from the warden that convict Jake Hammer was wounded while trying to escape with the Riddler. Though Hammer is semi-conscious, Robin gets him to mutter the riddle-clue, "What's black and white and red all over? Answer is a killer!" At about the same time, the Riddler takes a garbage truck, loads it with the stolen chickens, looses the birds at the dock workers of a magazine distributor's warehouse, and loads the truck with a skid of magazines. After making up with Selina Kyle for having her investigated, Bruc