Batman is determined to show The Joker who's the boss of Gotham City. And The Joker is just as determined to have the last laugh! Batman has Robin, Nightwing and law and order on his side. The Joker has Harley Quinn, Mr. Freeze, Poison Ivy, and a whole host of sneaky villains to back him up. Both sides have cool vehicles and equipment: Batman has his Batmobile, The Joker has his grinning Jokermobile; Batman has Batarangs, Batsub and Batwing; The Joker has his mallet, ice cream cart, and laughing gas. Who'll come out on top? As they boast about their gear, Batman and The Joker introduce all the awesome LEGO Batman sets and minifigures. Discover the Batsub's secret weapons and see what surprises The Joker keeps in his Steam Roller. Find out what Harley Quinn's signature weapon is and read all about Superman's amazing superpowers. Illustrated with photographs of all the latest LEGO Batman toys, this is the perfect book for young fans. For ages 5 and up. WARNING: CHOKING HAZARD - Small Parts. Not for children under 3yrs.