John H. A. Ebrard 
Biblical Commentary on the Epistle to the Hebrews in Continuation of the Work of Olshausen [PDF ebook] 

Doggerland, 6200 BC. As rivers rise, young mother Shaye follows her family to a sacred oak grove, hoping that an ancient ritual will save their way of life.London, AD 2156. In a city ravaged by the r …

Otolaryngology deals with disorders of the ear, nose and throat, which include the head and neck. Otolaryngologistsdiagnose and manage diseases of the sinuses, larynx (voice box), oral cavity, and up …

Trabajadores de mi escuela (Workers at My School) builds critical literacy skills with this exciting Spanish-translated nonfiction reader. Engage students with fascinating content that will keep them …

Teach students about the unique aspects of communities and towns! This book uses intriguing primary source documents and simple paragraphs to engage students in reading as they build their social stu …

How do countries work together? Running a country requires hard work. There is a lot involved. That includes making laws that help people do the right thing. When leaders work together, their countri …

Learn multiplication on a fun-filled trip to the supermarket! The displays, shelves, and layout of a local grocery store provide ample opportunities for students to learn multiplication as they are e …

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish book provides firsthand accounts of hi …

Take a virtual tour of the Smithsonian National Zoo’s Small Mammal House with this high-interest STEAM book! Along the way, learn how zookeepers designed a habitat for the black-footed ferret, an ani …

Colorful gems sparkle and shine. Where do these precious stones come from? Learn about gemology, the science and study of gems, with this Spanish book created in collaboration with the Smithsonian In …

Earthquakes can leave people and property in bad shape. At times, they can be deadly. Find out about the science of studying earthquakes and the men and women who track the movements of the ground be …