With no roads, businesses, trails, or campgrounds, the Gates of the Arctic National Park offers scientists the opportunity to fly, hike, and raft to remote locations to study the animals and ancient lands. Take a look at the research and responsibilities of scientists working there in the Spanish edition of Gates of the Arctic--Puertas del Ártico--part of the Natural Laboratories nonfiction book series. Spanish language readers explore the topography of the park, its natural resources, the specific projects that have been undertaken there and why these projects are significant. Spanish Book Features: Before, during, and after reading activities Vocabulary list Supports NGSS standards for Earth and Human Activity About Rourke Educational Media: We proudly publish respectful and relevant nonfiction and fiction titles that represent our diverse readers, and are designed to support reading on a level that has no limits!.