Share this Page Discover Like Books Books similar to Happy Pi Day to You! Other books by Bonnie Worth Aristides Ruiz Joe Mathieu Other books with same Classifications Nonfiction Math Other books with same Subjects Mathematics Mathematics--Juvenile literature Pi Children's Books/Ages 4-8 Nonfiction Cat in the Hat Circle-squaring Cat in the Hat (Fictitious character)--Juvenile literature Pi--Juvenile literature Circle-squaring--Juvenile literature Juvenile Nonfiction | Mathematics | Arithmetic Other books with similar Lexile levels Lexile Range 650L - 950L