High Beginner
Subject Link Starter 1
lexile : 430L-460L
Subject Link Starter 2
Subject Link Starter 3
High Intermediate ~ Advanced
Subject Link 9
lexile : 860L-950L
Subject Link 8
Subject Link 7
Intermediate ~ High Intermediate
Subject Link 6
lexile : 720L-830L
Subject Link 5
Subject Link 4
Low Intermediate ~ Intermediate
Subject Link 3
lexile : 520L-610L
Subject Link 2
Subject Link 1