Robert Ballard: Discovering Underwater Treasures (National Geographic Reading Expeditions: Scientists in the Field)

By Rebecca L. Johnson and National Geographic Learning

Underwater explorer Robert Ballard discovered the shipwrecked Titanic in 1985, but he didn't stop there. Ballard is still searching the seas. He uses high-tech tools to locate and investigate the... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0792288815
• ISBN13: 9780792288817
• Release Date: January 2007
• Publisher: Natl Geographic/
• Length: 32 Pages
• Weight: 0.65 lbs.
• Dimensions: 9.3" x 0.3" x 7.0"
• Age Range: 8 to 12 years
• Grade Range: Grades 3 to 7