12 English and 1 Spanish, see pictures for details. The Origo Education Big Poster Books in English are a comprehensive set of 12 textbooks covering various subjects, specifically focusing on Mathematics. Printed in the USA in 2016, these big books offer a kit-format publication that is ideal for educational use. Authored by Origo Education and published by the same company, these poster books provide a valuable resource for students and educators looking to enhance their learning experience. With their large format and informative content, these books make a great addition to any classroom or educational setting.