Volcanoes!: Mountains of Fire (Step into Reading)
Pompeii...Buried Alive! (Step into Reading)
Tut's Mummy: Lost...and Found (Step into Reading)
To the Top!: Step into Reading : a Step 4 Book
Hungry Plants (Step into Reading)
Escape North! The Story of Harriet Tubman (Step into Reading)
Ben Franklin and the Magic Squares (Step into Reading)
Helen Keller: Courage in the Dark (Step into Reading)
The Trojan Horse: How the Greeks Won the War (Step into Reading)
National Geographic Readers: Titanic