This listing is for a set of two Montessori Zoology Manuals: Volume I and Volume II, both for Elementary Level I. Published in 2013 by Montessori Research and Development, these textbooks are an excellent resource for studying zoology within the Montessori curriculum. They cover a comprehensive range of topics from basic biological concepts to detailed classifications of animal phyla, making them ideal for students and educators alike. Both books are in good condition with minor shelf wear, as shown in the images. No markings on pages. Perfect for homeschooling, classroom use, or supplemental learning.