"A nonfiction manuscript for young readers about a group of Allied spies and codebreakers that cracked the Nazis's infamous cypher, allowing them to read secret military messages and turn the tide of World War II. During WWII, as the Germans waged war, every Nazi plan, every attack, was sent over radio. But to the Allies listening in, the messages sounded like gibberish. The communications were encoded with a powerful cypher-unless you could unlock...

"Mountain of Fire is the narrative nonfiction story of the violent volcanic eruption of Mount St. Helens on May 18, 1980, the story of the people who died, those who survived, and the heroes who fought to raise an alarm. For weeks, the ground around Mount St. Helens shuddered like a dynamite keg ready to explode. There were legends of previou eruptions: violent fire, treacherous floods, and heat that had scoured the area. But the shaking and swelling...