Well, I personally think you will never move forward in life until you realize that you are probably too old to be playing poptropica.
You push the Tess's tree book (on the bookshelf) until it falls.
You go to the top of the bookshelf and push down the book tess tree.
Push the book Tess's tree to the ground.Drive the truck out at top speed, breaking the window.
Put the battery into the truck. Push the book Tess's Tree down from the shelf. Drive the car out the window.
Climb to the top of the bookcase in CJ's room and push down the book called "Tess's Tree" -- it will form a ramp for the truck.
Once cj says who the thief is push tess's tree off the shelf and get truck and dive on ramp.
It's not a ruler, but at the top of her bookcase is a book called Tess's tree. Push the book off of the bookcase and it makes the ramp. Hope this helped!
You go back to the telescope in CJ's bedroom and set it to school coordinates and do the Morse code and the thief is Mr. Silva! You then have to jump the ramp. (push Tess' Tree over)
In Shark tooth island you have to move the big square stone and push it under the tree avoiding the coconuts. Then you just climb the tree
you get the tier and push it to the tree house and jump up on the tier.
Tess's tree,it is on the top of the bookshelf on the right half of C.J's room.
go to the back garden and click on the Tyre and then push it to the tree house