Discover the world of this three-horned dinosaur that lived near the Rocky Mountains .

The Shapes illustrated nonfiction books provide the first lessons on common shapes. In Triangles, rhyming text and creative illustrations draw attention to where triangles are...

The Shapes illustrated nonfiction books provide the first lessons on common shapes. In Circles, rhyming text and creative illustrations draw attention to circles are found in the...

The Shapes series provides the first lessons on common shapes.  Rhyming text and creative illustrations draw attention to where the shapes are found in the world around us....