Houghton Mifflin Harcourt
Green Light Readers
64 books across 3 levels of Houghton Mifflin Harcourt's Green Light Readers, spanning 180L–510L. Each band below is measured from the books in that level, not from the number on the cover.
- Books
- 64
- Levels
- 3
- Typical range
- 180L–510L
Level 1
180L–350L
Level 2
360L–480L
Level 3
460L–510L
Each bar covers the middle half of the Lexile measures in that level. Neighbouring levels overlap on purpose — that is what the data shows, and it is why a reader finishing one level is rarely at the bottom of the next.
3 levels
Pick a level
Book counts and ranges come from the approved titles on each shelf.
Keep going
Beyond one publisher's ladder
A level only means something inside its own program. These pages work across the whole catalog, so a reader who has run out of one program has somewhere to go.

















