LEGO Batman: The Movie - DC Super Heroes Unite is a great way to get your little fan reading. These fun books help expand the LEGO Batman experience in lots of ways.

LEGO Batman Visual Dictionary
It's hard to overstate how cool this book is. It's an in-depth look at Batman's adventures in the world of LEGO, including detailed info and images of every set and minifigure, sorted by theme, location, characters, and events. Its 96 pages are packed with facts, pictures, and cool extras like mini flipbooks at page corners, cross-sections of vehicles, and even a comic book-like story.  Get it here.

Ultimate Sticker Collection: LEGO Batman
Kids can learn all about Batman and his gear, friends, foes, and city in this almost endless activity book. It comes with 1,000 reusable color stickers.  Yes -- one thousand stickers. Get it here. 

 
LEGO DC Reader: Ready for Action!
Help your child enjoy reading by starting with level-appropriate paperbacks that feature bright illustrations, engaging stories, well-known characters, and reassuring word repetition. As kids progress, they move up the levels of LEGO DC Readers. Start with this one. 
  
LEGO DC Reader: Super-Villains

In this challenging and rewarding Level 2 DC Reader, young readers build upon their progress while meeting the Joker, Two-Face, and other baddies of the Batman universe. Get it here.