HarperCollins
Let's-Read-and-Find-Out Science Level 2
The middle half of these books measure 530L–600L, and run around 1,000 words — calculated from the 35 titles at this level with a Lexile measure, not from the number on the cover.
- Books
- 38
- Lexile range
- 530L–600L
- Typical length
- ~1,000 words
Penguin Chick
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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.