Barbara Gordon and Tim Drake are attending a Halloween costume party at Graves Mansion dressed as their secret identities (Batgirl and Robin) when Catwoman strikes, stealing the priceless Black Cat Diamond--but with so many guests dressed up as either superheroes or supervillains the two young crime fighters will have to separate the real villain from her many imitators if they hope to retrieve the valuable prize. --

"Batman has been kidnapped by the Riddler! The crook has left behind one of his infamous riddles, addressed to Robin. If Robin can solve the puzzle, he will locate the Caped Crusader, but that first riddle leads to another. Then the Riddler turns off all the lights in Gotham City. What, Robin wonders, is the point? When will the riddles end? If the Boy Wonder cannot find his partner by the next sunrise, Batman will be gone forever"--P. [4] of cover....

The shape shifting Clayface ignites a feud between Superman and Batman.

The Cosmic Annihilator, a weapon capable of destroying entire planets, is missing, and it is up to Batman to defeat his enemies and recover it.

In the middle of summer, Mr. Freeze blankets Gotham City in a blizzard, and the reader must choose how Batman will thwart him and bring summer back to the city.

The Joker has transformed ordinary citizens of Gotham City into laughing accomplices, and the reader must help Batman choose how to defeat his rapidly multiplying enemies.

"Batman and his cousin Batwoman have to work together to stop Two-Face's crime spree."--

A night of fun turns into a night of fear when Scarecrow takes over the corn maze at the Gotham City Harvest Festival.

Wealthy Bruce Wayne relates how he became the costumed avenger known as Batman.

"Clayface uses his shape-shifting powers to seek revenge on the man who ruined his life, and the reader must help Batman see through Clayface's disguises and stop him in his tracks." --