Whisker is a Pie Rat apprentice with an appetite for danger and a flair for lucky escapes. Aboard the good ship Apple Pie, he goes from one catastrophe to the next quicker than the time it takes to raise a pair of giant underpants up the mast With the mysterious Forgotten Map in his possession, Whisker embarks on the next stage of his quest to find the missing key. Together with his friends, Ruby Rat and Hook Hand Horace, Whisker must overcome a host of jungle dangers and outsmart the deadliest of enemies to claim the key.

Whisker is a Pie Rat apprentice on the treasure hunt of a lifetime. With the Forgotten Map and the King's Key safely in his grasp, Whisker joins the ratbag crew of the Apple Pie on their voyage to the mysterious Island of Destiny. Armed with scissor swords, flying pies and barrels of gravy, the Pie Rats must first pass through the Treacherous Sea where untold dangers lurk beneath the waves.

Book 5 in the internationally award-winning Pie Rat series by Cameron Stelzer. Deep in the heart of Aladrya stands a mighty mountain. Rising high above the clouds, its rocky crags and windswept cliffs are home to four species of birds. With only three days left until the full moon feast, Whisker's mission to find his sister hangs in the balance. Even if he can reach the mountain alive, he still has to outwit and out-fly the dreaded birds of prey.