Horse Song: The Naadam of Mongolia is co-written and illustrated by Ted and Betsy Lewin and published by Lee and Low Books. The couple writes about their travels to Mongolia to visit the Indigenous people who continue to live with their beloved horses. The story begins with the description of the long ride from Ulaanbaatar airport with an interpreter and driver to the camp of the respected horse trainers. The couple arrives to observe the important celebration of Naadam with a family of Mongolian people. The nine-year-old son named Tamir returned home from boarding school to take part in the special horse race during the festival. The small horses that live in this part of the world are powerful and take practice to ride. The boy's family is one of the best horse trainers in the country. The couple partakes of food with the family and enjoys their new living accommodations in the family's ger or home. The remainder of the book is filled with exciting details about the horses and their trainers as they prepare the horses and jockeys for the festival race. The excitement builds as the racers and their horses gather to begin the grueling race. Tamir and his horse are the winners and the family is pleased. Throughout the book the authors have woven details about the Indigenous People and their connection and respect for the environment and their livestock. These facts fit well into the storyline and never intrude. The illustrations are realistic and some are cartoon-like adding humour to the book. Facts about the people of Mongolia as well as a glossary and pronunciation guide are provided. ATOS Reading Level: 5; Reading Level: 5.6; Lexile Measure: 870.