Today, Bizzy Bear is off in his yellow submarine for an exciting underwater adventure! With clever sliders to push and pull, little readers will love to help him descend into the ocean, avoid the scary octopus on the sunken ship and, finally, discover the hidden treasure. A thrilling book for all fans of Octonauts!Bizzy Bear, Bizzy Bear, Old shipwreck.Bizzy Bear, Bizzy Bear, What's on deck?