Download or read book Deep Sea Countdown written by Justin Spelvin and published by . This book was released on 2007-06 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn to count with the Backyardigans! The Backyardigans set off on an amazing adventure through the deep sea! On the way they encounter ten glowing jellyfish, nine coral fans, eight large tentacles, and much more! Little ones will love learning their numbers with this concept based board book that has soft, padded covers.