Lucas Carlson是一位专注于使用Rails进行网络开发的专业Ruby程序员。他是6个Ruby库程序的作者，也对其他很多库程序有所贡献，其中包括Rails以及RedCloth。
目录
Preface 1.Strings 2.Numbers 3.Date and Time 4.Arrays 5.Hashes 6.Files and Directories 7.Code Blocks and Iteration 8.Objects and Classes 9.Modules and Namespaces 10.Reflection and Metaprogramming 11.XML and HTML 12.Graphics and Other File Formats 13.Databases and Persistence 14.Internet Services 15.Web Development:Ruby on Rails 16.Web Services and Distributed Programming 17.Testing,Debugging,Optimizing,and Documenting 18.Packaging and Distributing Software 19.Automating Tasks with Rake 20.Multitasking and Multithreading 21.User Interface 22.Extending Ruby with Other Languages 23.System Administration Index
