Some of our favourite books on software:

Software Measurement and Estimation

Applied Software Measurement: Global Analysis of Productivity and Quality, by Capers Jones

The Economics of Software Quality by Capers Jones and Olivier Bonsignour

Quantifying Software by Capers Jones

Software Estimation: Demystifying the Black Art  by Steve McConnell

A Guide to Software Size Measurement (free) by  Charles Symons

Software Engineering and coding

The Certified Software Quality Engineer Handbook by Linda Westfall

Code Complete: A Practical Handbook of Software Construction by Steve McConnell

More Effective Agile by Steve McConnell

Requirements Work

Software Requirements (Developer Best Practices) by Karl Wiegers and Joy Beatty

Discovering Real Business Requirements for Software Project Success, by Robin Goldsmith

And we couldn’t leave out Paul Boudreau’s excellent book: Applying Artificial Intelligence to Project Management. which gives ScopeMaster a notable mention.