What reading level is the Rigby Literacy series?

The Rigby Literacy series by Rigby is at a Grades 2.4–6.4 reading level (average Grade 4). Intended for Lower Grades (Ages 5–8). There are 11 books in the series.

What order should I read the Rigby Literacy books?

The Rigby Literacy series has 11 books in order: 1. Behind the Scenes at the Zoo, Grade 4, 2. Cherokee Little People, 3. Pets Lost-and-Found, 4. Polar bears, 5. Rigby Literacy, and 6 more.

What age is the Rigby Literacy series appropriate for?

The Rigby Literacy series is recommended for Lower Grades (Ages 5–8). The average content intensity is 1/5.

Rigby Literacy Books in Order

11 books by Rigby. Reading level: Grades 2.4–6.4. Lower Grades (Ages 5–8).

Series books grow with readers — but that's also the trap. Most series start at one reading level and one content intensity and drift upward over the course of the run. Rigby Literacy (11 books by Rigby) lands at reading level Grades 2.4–6.4, with average content intensity 1/5. Intensity stays consistent across the series — a kid who can handle the first book can generally handle the rest.

The reading-order table below lists every book with per-volume reading level and intensity badges so you can spot any escalation before it catches your reader off guard. For a deeper dive into how we score text difficulty vs. emotional weight separately — and why series readers especially benefit from that split — see our methodology page.

Books

Grades 2.4–6.4

Reading Level

1/5

Avg. Intensity

Lower Grades

Content Intensity Across the Series

Consistent

Content stays at a steady intensity level throughout the series.

First book Latest book

Rigby Literacy Reading Order

#	Title	Reading Level	Content
1	Behind the Scenes at the Zoo, Grade 4 Adrienne B. Lieberman	Level 5	Gentle
2	Cherokee Little People Marijo Moore	Level 2-3	Gentle
3	Pets Lost-and-Found Barbara Reeves	Level 3-4	Gentle
4	Polar bears Kathryn E. Lewis	Level 3-4	Gentle
5	Rigby Literacy RIGBY	Level 5-6	Gentle
6	Rl 5 Nf 16 Food F/The World Is Rigby	Level 6-7	Gentle
7	Rlg3-17 Ltl Blue, Big Blue Is Rigby	Level 3-4	Gentle
8	Rlg3-17 Picky Prince, the Is Rigby	Level 3-4	Gentle
9	Rlg3-18 Prnce Among Donkeys Is Rigby	Level 2-3	Gentle
10	Rlg3-19 N/F Pueblo Ruins Is Rigby	Level 5-6	Gentle
11	RLG4 B-C Animal Mysteries Barbara Reeves, Rigby, Rigby Staff	Level 3	Gentle

Level 5-6 Gentle

RLG4 B-C Animal Mysteries

Barbara Reeves, Rigby, Rigby Staff

RLG4 B-C Animal Mysteries

Barbara Reeves, Rigby, Rigby Staff

Level 3 Gentle

Questions about the Rigby Literacy series

What reading level is the Rigby Literacy series?: The Rigby Literacy series by Rigby is at a Grades 2.4–6.4 reading level (average Grade 4). Intended for Lower Grades (Ages 5–8). There are 11 books in the series.
What order should I read the Rigby Literacy books?: The reading-order table above lists all 11 books with per-volume reading level and intensity ratings. Start with book 1 and read in publication order unless the table indicates a different recommended order for newer readers.
What age is the Rigby Literacy series appropriate for?: The Rigby Literacy series is recommended for Lower Grades (Ages 5–8). The average content intensity is 1/5. Check the intensity trajectory above to see whether content gets heavier across the series — if it does, sensitive readers may want to stop earlier in the run.