It's a dark and stormy night and Toby cannot sleep.The whole house seems to be tossing and turning like a ship in the middle of the ocean...and soon Toby enters a fantasy world where he is indeed at sea, caught up in a strange and wild adventure.Luckily, Toby's cat makes up the crew of his ship, and together they chart a course through the storm and fend off a giant sea monster - with the last minute help of a mystery submarine which comes to their aid.But hang on, the submarine is manned by his Grandma and Grandpa!Soon they are back in the safety of the harbour, ready for breakfast - but lift the flap for one last surprise!Dramatic and surreal, there is danger and bravery with a large dose of the surreal, and lots more to notice on every re-read.