All books have a low point during writing, and this book had a lower one than most. Specifically, this book was born out of three almost simultaneous failures at the end of 2008:

  • The failure of the Ruboss Framework as a commercial product
  • The failure of Enterprise Flexible Rails as a book
  • The failure of the format of Hello! Flex 3

In the immortal words of hip-hop superstar Friedrich Nietzsche,[1] “That which does not kill us makes us stronger,” and this perfect storm of failure that ended 2008 for me definitely made me stronger—and made Hello! Flex 4 a much better book.

1 What, you thought I was quoting German philosopher Kanye West?

That is the short version; if you want the long one, read on...

Shortly after Flexible Rails ...

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