It is in the tree to the right of the school.
Push the round trash can only the left side of the seesaw, then jump down from the tree onto the right side. The can will be thrown onto the ledge. Push it left to enter the window.
in a tree by the school
You can find it in the tree next to the school but it's 9, 37, 15.
In Greg's locker.
the code for the locker is in the pine tree near the school
You find the completely white locker, and click on it answered by Danae
you need to get greg's locker number and then you can find it in his locker.
you go into the most white locker and click it there you will find the cheats for Greg
all you have to do is go by the far right side of the school climb up a tree find a peice of paper and go into the school find the locker that you can click on put in the combination and voi'la you have the guide.
You find it in the tree to the right of the school. If you have pushed the round trash can onto the left side of the seesaw, jump from the tree to send the can onto the second-story ledge.
Go to the bottom left lockers and the 8th one is the one you're supposed to open. The combination is 9,37,15. This combination should work if you have the scrap piece of paper. The paper is somewhere on the trees on the right side of the school.This should tell you about the locker. :)
it tells you where Gregs locker is but the easiest way to find the locker is that where the locker with the broken lock there is a locker close around there that is plain white with no stripes like the others. that is gregs locker :) i still dont get how to pass the twisted wizard game though :(
in the school there is a locker on the bottom floor it is on the left side of lockers and when you find the locker that lets you click on it you have to enter the combo 9 37 15 and the guide book is inside!