Level I
Booksource offers Level I titles at a range of fiction and nonfiction titles grouped into collections based on genre and themes.
our collection categories
Fiction See All

Level I Animal Stories

Level I Family & Friends

Level I Fantasy & Science Fiction

Level I Favorite Characters

Level I Favorite Series

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Nonfiction See All

Level I Nonfiction

Level I Nonfiction Animals & Habitats

Level I Nonfiction Best Sellers

Level I Nonfiction Best Sellers 6-Pack

Level I Nonfiction Biographies

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