Readers demanded more and the author listened, creating Buster's Undersea Counting Expedition 1 to 20, an expanded undersea counting adventure. Journey under the sea with Buster and Lass for a special counting adventure from 1 to 20! It's fun and different. Can your child find and count the new friends as they arrive? You bet!

Readers demanded more and the author listened, creating Buster''s Undersea Counting Expedition 1 to 20, an expanded undersea counting adventure. Journey under the sea with Buster and Lass for a special counting adventure from 1 to 20! It''s fun and different. Can your child find and count the new friends as they arrive? You bet!

Join Buster and Lass for an undersea counting adventure from 1 to 20.

From the award-winning, #1 bestselling author/illustrator Robert Stanek, the #1 bestselling Buster's Undersea Counting Expedition 1 to 10 is a cherished reader's favorite. Join Buster and Lass for a special undersea counting adventure from 1 to 10. It's fun and different. Can your child find and count the new friends as they arrive? You bet!

From the award-winning, #1 bestselling author/illustrator Robert Stanek, the #1 bestselling Buster''s Undersea Counting Expedition 1 to 10 is a cherished reader''s favorite. Join Buster and Lass for a special undersea counting adventure from 1 to 10. It''s fun and different. Can your child find and count the new friends as they arrive? You bet!