Book excerpt: This captivating, activity-based book provides budding oceanographers and marine biologists the opportunity to begin their exploration of the world beneath the seas. Using a hands-on approach that encourages imagination as well as factual learning, Totally Sea Creatures describes the fascinating life found at various depths. Easy-to-follow, step-by-step instructions show readers how to build actual creatures such as a crab, squid, hammerhead shark, seahorse, or Orca whale — or they can create new creatures with the more than 30 interchangeable plastic parts!