I am very pleased to announce that Issue 15 of The Monad.Reader is now available for your reading pleasure [1]. Issue 15 consists of the following four articles: * "The hp2any project" by Gergely Patai * "Adventures in Three Monads" by Edward Z. Yang * "The Operational Monad Tutorial" by Heinrich Apfelmus * "Implementing STM in pure Haskell" by Andrew Coppin Feel free to browse the source files. You can check out the entire repository using darcs: darcs get http://code.haskell.org/~byorgey/TMR/Issue15 If you'd like to write something for Issue 16, please get in touch. The deadline will likely be sometime in mid-late April; more details will be forthcoming. -Brent [1] http://themonadreader.files.wordpress.com/2010/01/issue15.pdf