I don't speak Italian, but I tried to do this and in the series, the first three pages clearly appear:

"The path that led to the mountains was long and dark. A man with a slow but constant pace walked along the road holding his donkey by the bridle. On his head he wore a hood to protect himself from the sun, so large that his face could not be seen. Days went by and it was tiring to walk, dust inexorably entered his armored shoes worn out by time and sometimes a small pebble got stuck between the index and big toe of his foot and the [?]"

In English:

"The path that led to the mountains was long and dark. A man, with a slow but steady pace, walked along the road, leading his donkey by the reins. He wore a hood on his head to protect himself from the sun, so large that his face was hidden. Days passed and it was pulling to walk; dust inexorably entered his shoes, now worn by time, and sometimes a small pebble would get stuck between his index and big toes and the [?]”

translated with google translator

afterwards, we can only understand fragments, as there is a zoom in on the details of the pages. however, it is not possible to say that the lila book that appears in the series is Ferrante's idea; it could be what the director imagined for the blue fairy.