The Great Marvel Adventure Series

THE GREAT MARVEL ADVENTURES SERIES follows young Jack and Sam, two inventive boys whose curiosity and pluck lead them on adventures to the North and South poles, to the center of the Earth, to the Moon, Mars, and beyond.

• Through the Air to the North Pole
• Under the Ocean to the South Pole
• Five Thousand Miles Underground
• Through Space to Mars
• Lost on the Moon
• On a Torn-Away World