Ideal for today's young investigative reader, each A True Book includes lively sidebars, a glossary and index, plus a comprehensive "To Find Out More" section l
Imagine 750-foot sand dunes thousands of miles from an ocean but near the alpine peaks of Colorado's Sangre de Cristo Mountains. Great Sand Dunes' ecological en
Southern Colorados unique Great Sand Dunes rise to a height of 750 feet above the San Luis Valley floor and are the nations highest dunes not adjacent to an oce