Scientist Dr. Henry Jekyll believes every human has two minds: one good and one evil. He develops a potion to separate them from each other. Soon, his evil mind takes over, and Dr. Jekyll becomes a hideous fiend known as Mr. Hyde. These reader-favorite tiles are now updated for enhanced Common Core State Standards support, including discussion and writing prompts developed by a Common Core expert, an expanded introduction, bolded glossary words and dynamic new covers."

In the late 19th century, a cylinder crashes down near London. When George investigates, a Martian activates an evil machine and begins destroying everything in its path George must find a way to survive a War of the Worlds. These reader-favorite tiles are now updated for enhanced Common Core State Standards support, including discussion and writing prompts developed by a Common Core expert, an expanded introduction, bolded glossary words and dynamic new covers."

Late one night, Sir Charles Baskerville is attacked outside his castle in Dartmoor, England. Could it be the Hound of the Baskervilles, a legendary creature that haunts the nearby moor? Sherlock Holmes, the world's greatest detective, is on the case. These reader-favorite tiles are now updated for enhanced Common Core State Standards support, including discussion and writing prompts developed by a Common Core expert, an expanded introduction, bolded glossary words and dynamic new covers."