Freebie - Making Time, Making Money
Making Time
Advanced Rails
Brad Ediger
A Constructivist Reading of Process & Reality
Stengers, Isabelle
Deliberate Practice
Ericsson; Krampe; Tesch-Römer
Programming Ruby 3.3
Noel Rappin & Dave Thomas
Programming Ruby 1.9
Dave Thomas
The Pragmatic Programmer
Andy Hunt Dave Thomas