Total Number of Middle School Books: 3,440
The Baby-Sitters Club #1: Kristy's Great Idea
The Baby-Sitters Club Graphix #4: Claudia and Mean Janine
The Bad Beginning (A Series of Unfortunate Events #1)
The Baddest Day Ever (The Bad Guys #10)
The Bad Guys
The Bad Guys in Alien vs Bad Guys (The Bad Guys #6)
The Bad Guys in Attack of the Zittens (The Bad Guys #4)
The Bad Guys in Intergalactic Gas (The Bad Guys #5)
The Bad Guys in Mission Unpluckable (The Bad Guys #2)
The Bad Guys in The Furball Strikes Back (The Bad Guys #3)
The Ballad of Never After (Once Upon a Broken Heart #2)
The Ballad of Songbirds and Snakes (The Hunger Games #0)
The Basketball Blowout
The Battle of the Labyrinth (Percy Jackson and the Olympians #4)
The Beginning of Everything
The Big Book of Wild Cats
The Birthday Bee
The Blackbird Girls