Books by HOUGHTON MIFFLIN HARCOURT
16 books · Ages 4–11
Known for the Journeys Common Core Leveled Readers and Leveled Reader Set series, HOUGHTON MIFFLIN HARCOURT writes picture books and middle grade for ages 4–11, exploring themes of resilience & perseverance, joy & gratitude, curiosity & wonder.
Series

Journeys Common Core Leveled Readers
1 book · Ages 4–6


Leveled Reader Set
2 books · Ages 4–11


Hero Academy Leveled Reader
2 books · Ages 4–11



Hero Academy Leveled Readers
4 books · Ages 4–7

Hero Academy Leveled Reader Set
1 book · Ages 6–8



Houghton Mifflin Harcourt Leveled Reader Green Fiction
3 books · Ages 4–7

Houghton Mifflin Harcourt Leveled Reader Red Fiction
1 book · Ages 5–7

Houghton Mifflin Harcourt Leveled Reader Blue Non Fiction
1 book · Ages 4–7

Pepper's Adventure Leveled Reader
1 book · Ages 4–7
By Age Range
Common Themes
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Kids Fight Extinction: ACT Now to Be a #2minutesuperhero

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Elena Camps

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How to Survive the End of the World A Graphic Exploration of How to (Maybe) Avoid Extinction

Shirley Marr
One Day a Mayfly

Matt Tavares
Crossing Niagara: The Death-Defying Tightrope Adventures of the Great Blondin

