Remarks:
Originally published in 52 installments on a weekly basis.
The buyer was expected to bind the installments into four volumes/books (13 installments per volume).
After releasing all the installments, the four volumes were also put into market so that you could buy the whole collection at once.
ISBN volume 1: 84-7534-103-9
ISBN volume 2: 84-7534-104-7
ISBN volume 3: 84-7534-105-5
ISBN volume 4: 84-7534-106-3
ISBN whole collection: 84-7534-101-2
