On a scale of I to X, this book is an XI!An accessible text and colorful illustrations add up to fun in this vibrant guide to Roman Numberals. Page IV, Super Bowl LIII. Built in MMVIII: Roman numerals are everywhere--on clocks, in books, and on buildings. But what do Roman numerals mean, and how does one use them? Fun with Roman Numerals is a straightforward and appealing introduction to a timeless topic by the celebrated STEM author and illustrator team behind Place Value; Perimeter, Area and Volume; Working with Fractions; You Can, Toucan, Math; and many other books on basic science and math concepts for kids!