Join the adventurous Octonauts on their latest journey as they uncover the chilling mystery of the Great Ghost Reef! Explore diverse reef habitats and unravel clues as colourful characters come to life in this thrilling, action-packed book. Don't miss out on the excitement and solve the mystery with the Octonauts!

• 11.3 x 8.3
• 36 Color illustrations
  
• 4-8 years