Books by Kathryn Cristaldi

Known for the Hello Reader! Math series, Kathryn Cristaldi writes picture books and middle grade for ages 5–9, alongside 2 standalone books, exploring themes of teamwork & collaboration, empathy & kindness, humor.

Series

Hello Reader! Math

1 book · Ages 5–8

Standalone Books

Princess Lulu Goes to Camp

Kathryn Cristaldi

For the child who struggles with sharing or acting entitled, this funny story shows how a little teamwork and humility c

Ages 6–9

The Snowman Mystery

Kathryn Cristaldi

For the early reader who loves to ask questions and solve puzzles. This snowy mystery builds confidence through a siblin

Ages 6–8

By Age Range

Ages 4–7

3 books

Ages 8–11

3 books

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The Bag of Bones

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The Spy on Third Base