Second hand bookshop near Phahonyothin Soi 55

Second hand bookshop near Phahonyothin Soi 55

I stumbled upon this place by chance, when I was riding the bus. Position on googlemaps:

https://maps.google.com/maps?saddr=13.870236,100.592868&hl=en&sll=13.870174,100.592945&sspn=0.005291,0.010568&dirflg=w&doflg=ptk&mra=mift&mrsp=0&sz=17&t=m&z=17

View from Pahonyothin road, there are piles of books on the sidewalk, the entrance is left to the ATM:

 There are actually aisles between the piles of books, but only for slim people:

The books are in horizontal position, in piles from bottom to ceiling, good luck getting the one you want out of the pile:

I have never seen a room that has such a high density in books.