The Titanic: Lost and Found (Step into Reading, Step 4)

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