How long is a pig's tail? How wide is a beaver's tail? How heavy is a whale's tail? Beginning readers will enjoy learning basic measurement and data concepts with this brightly illustrated Spanish book that features animals with different types of tails. With vivid images and easy-to-read text, this full-color book develops students' math and reading skills and introduces them to early STEM themes. The Math Talk section includes questions that will increase understanding of basic math and reading concepts and develop students' speaking and listening skills. Learning math is fun and easy with this engaging text!