A comedy on a bachelor in London who specializes in affairs with single mothers. To improve his chances, he joins a single parents' association and gets a boy to pretend he is his son. Był sobie chłopiec by author Nick Hornby. Published by Diso Sp. Zo.o. This book has a 13 digit ISBN number 9788371509193 and a 10 digit ISBN number 8371509197.