The Treasure Book Series 4 is now out! If you go to stores in real life, and buy a Club Penguin Series 4 toy, they will come with a code. Enter the code on ClubPenguin.com and you unlock this book! You can buy 2 free items from it, even if you are not a member!
Take a look.
Nice, but there isn't any hidden item cheats yet. They might add some soon. I don't know, what do you think?
-Cena12121, Team Club Penguin Cheats Leader
TCPC: Club Penguin Cheats & More!