HarperCollins
Let's-Read-and-Find-Out Science Level 1
The middle half of these books measure 460L–590L, and run around 750 words — calculated from the 22 titles at this level with a Lexile measure, not from the number on the cover.
- Books
- 26
- Lexile range
- 460L–590L
- Typical length
- ~750 words
Keep going
When this level runs out
The next number up is usually a bigger jump than it looks. Browsing by measure instead keeps the difficulty steady while the books stay new.