Translation of molecular in Spanish

We bought a Sandwich and were looking for a taxi, but the streets were so crowded that we had to wait nearly one hour to find a cab. We even had to walk a few blocks in order to catch one.
There were too many of these children and they were determined to sell us a can of Coca Cola. All means were legitimate, even shaking our boat, so that we would be scared of falling into the water.
I guess it is a very interesting book, but I did not entirely understand it. What did the author try to say, what message did he want to deliver? Do you want that I recommend another book?