20,000 Baseball Cards Under the Sea

Roger's eccentric, junk-collecting friend Kenneth takes him on an awesome undersea ride in a homemade submarine. Their visit to an underwater cavern turns up a wonderful surprise: a cache of valuable baseball cards!

• Author
• Jon Buller, Susan Schade

• Format
• paperback

• Pages
• 48

• Publisher
• Random House Books for Young Readers

• Language
• english

• ISBN
• 9780679815693

• Genres
• adventure, fiction, childrens

• Release date
• 1991