Shelby Moran 
Por qué existen reglas en una ciudad (Why Do Towns Have Rules?) [PDF ebook] 

Imagine living in a town without rules. Life would be very chaotic! Readers will learn the difference between rules and laws, why they »re important for towns to have, and what could happen if they didn »t exist. Age-appropriate text makes it easy for readers to understand early elementary civics concepts from the C3 Framework for Social Studies. From this book, students will gain a better understanding of how rules contribute to the common good, even in their very own town.