Well, opening it will always work, but use your judgement.
There's no hole that we can't dig a little deeper.
I just went looking at the Leaf and Leaf2 layout.
They are similar to the Barnes & Noble Glow2 which is a metal shell and a faceplate inset using double-stick tape.
Taking these apart without any cosmetic damage is a bit tricky.
I've used single edge razor blades to carefully work along a long edge to pry it up little by little with bending the front panel as little as possible.
Only insert the razor blade about the estimated thickness of the fron panel.
You don't want to split the layers of the front panel, nor do you want to go too deep.
The front panel will connect with flex circuits on one side or the other.
On the Glow 2 it connects on the left side, so you work the right side and let it open as little as possible before you release the connectors on the left side.
Maybe 45 degrees maximum.
You want to work slowly then insert thin plastic shims to prevent it from resticking.
You can use cut up pieces from plastic packaging.
Then you can work the top and bottom and eventually fold the screen up a bit.