https://www.penguinrandomhouse.com/books/677068/ruby-makes-it-even-by-lisa-harkrader-illustrated-by-mh-pilz/
Ruby Makes It Even! by Lisa Harkrader: 9781635926590 | PenguinRandomHouse.com: Books
Discover Math Matters! With over 15 million books sold worldwide, this award-winning series of easy-to-read books will help young readers...
by lisarubymakeseven