Ocean State Libraries

Lord Voldemort has returned, but the ministry of Magic is doing everything it can to keep the wizarding world from knowing the truth. They appoint Ministry official Dolores Umbridge as the new Defense Against the Dark Arts professor at Hogwarts. When Umbridge refuses to teach practical defensive magic, Ron and Hermione convince Harry to secretly train a select group of students for the wizarding war that lies ahead. A terrifying showdown between good...

Emlen takes us outside the lab and deep into the forests and jungles where he's been studying animal weapons in nature for years, to explain the processes behind the most intriguing and curious examples of extreme animal weapons. As singular and strange as some of the weapons we encounter on these pages are, we learn that similar factors set their evolution in motion. Emlen uses these patterns to draw parallels to the way we humans develop and employ...

Discusses why and how walls have been constructed throughout history, around cities, castles, even countries.

This fascinating series examines the history of military tactics from Blitzkrieg to blockade, raiding operations to strategic bombing and on to guerrilla warfare. BATTLEPLAN provides an in-depth history and analysis of the development of warfare, examining how the invention of aircraft changed the way wars are fought and how a smaller force can win a battle with the right tactics.

"A survey of walls throughout history and their role in shaping society."--Provided by publisher. From ancient times to the present, mankind has built barriers: against the elements, against predatory animals, against other humans. These edifices of mud, brick, and stone circle the globe. Frye examines the history of walls, and reveals the startling ways that barriers have affected our psyches. He questions: Did walls make civilization possible?...