It gets expensive stuff ...

In practice, the flash codes, after ten (they often return), it more tired and you end up playing with his cell to decode to read.
Moreover, after a great tome 3 and an expectation of nearly three months for Volume 4, I am disappointed and find it does not bring much bounce.
It especially annoys me more than the volume 5 out three weeks later: this time it is a book of 200 pages * 2 10 for making expensive for a paperback.

I begin to wonder if this is not too commercial.

To confirm or with the Volume 5 ...