Donald B. Lemke

Join Max Axiom as he explores the steps in the scientific method. Max helps young readers understand how to conduct scientific investigations. These newly revised editions feature Capstone 4D augmented reading experience, with videos, writing prompts, discussion questions, and a hands-on activity. Fans of augmented reality will love learning beyond the book!

Tells the gripping story of the devastating 1888 blizzard that suddenly exploded across the Great Plains, killing hundreds of children as they walked home from school. Written in graphic-novel format.

Tells the story of Ellen and William Craft's unique escape from slavery in Georgia to freedom in Pennsylvania.

Superman meets Lex Luthor in a "big" fight.

When a man posing as Bruce Wayne causes problems at the bank, Batman knows exactly who the impostor is. But it's hard to catch a criminal who can change shape.

Only Superman can stop the Silver Banshee from stealing a valuable book.

When Poison Ivy traps a bunch of Gotham's citizens during the county fair, it is up to Batman to help them.

When Scarecrow causes havoc during a Halloween haunted house sponsored by the Gotham City Police Department, it is up to Batman to stop him.

Flash must save Central City from a potentially devastating tornado and decide whether the storm's formation just as the Weather Wizard was being released from Iron Height's Penitentiary is coincidence or something more sinister.

The Justice League must help Green Lantern regain control of his power ring, which has fallen into the hands of Darkseid.