What are your favorite Weinberg books? I've read Are Your Lights On (liked it a lot) and Secrets Of Consulting (just ok). Checking out Exploring Requirements

What are your favorite Weinberg books? I've read Are Your Lights On (liked it a lot) and Secrets Of Consulting (just ok). Checking out Exploring Requirements now. Is Exploring Reqs 2 as much worth reading as Exploring Reqs 1, and any other must reads?