on the bottom of a card there is a code, you have to type that code in, and my codes for book one is 22mwk77cx2
There are no cheat code in any game in the 39 clues.
The eighth book in The 39 clues series is 'The Emperor's Code.'
The title of the seventh 39 clues book is The Viper's Nest. My agent Code is P2J34GKXXP on the 39 clues website.
P3rw4fpnxp
kf3x4ttct3
246rp6fxxp
water
P29rp379xp
246RP6FXXF
LUKE1
its PAGU32CVF3
P66cj4kfxp