text: Pharo is a clean, innovative, open-source, live-programming environment.
  Deep into Pharo is the second volume of a series of books covering Pharo. Whereas the first volume Pharo by Example is intended for newcomers, this second volume covers deeper topics.
  Bought "Deep into Pharo" too myself. The book exposes features I would not even imagine, fascinating reading.@kilon on Twitter
  You will learn about Pharo frameworks and libraries such as Glamour, PetitParser, Roassal, FileSystem, Regex, and Socket.
  You will explore the language with chapters on exceptions, blocks, small integers, and floats.
  You will discover tools such as profilers, Metacello and Gofer.
  Deep into Pharo is an open book:
  The full book is available as a free printable PDF download (Milestone version).
  Contributions are welcomed.
  The content of this book is released under a Creative Commons Attribution-ShareAlike license.