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 Publisher: Random House Books for Young Readers Published: 08/27/1991 Pages: 48 Binding Type: Paperback Weight: 0.21lbs Size: 8.96h x 5.99w x 0.20d ISBN: 9780679815693 Audience: Ages 4-8 Accelerated Reader: Reading Level: 2.5 Point Value: 0.5 Interest Level: Lower Grade Quiz #/Name: 7351 / 20 000 Baseball Cards Under the Sea Review Citation(s): School Library Journal 02/01/1992 pg. 71 Hornbook Guide to Children 01/01/1991 - Marginal Seriously Flawed About the Author Jon Buller and his wife Susan Schade have been writing and illustrating children s books for more than 20 years and have published more than 30 works including The Noisy Counting Book 20 000 Baseball Cards Under the Sea Toad on the Road and I Love You Good Night. They live in Lyme Connecticut.