bbatsov/rails-style-guide — pull request #58 by markevich (2013-02-19 11:55:14+00:00)
Title: add "The cucumber Book" in Further Reading

Also there is a good presentation of BDD, which i recommend to everyone working with cucumber.
http://skillsmatter.com/podcast/agile-scrum/bdd-as-its-meant-to-be-done