This is a sketchy outline of the planned book contents:

Cover (Front page, text license...)
Index
Introduction
  Tags
  Markup
  Snippets
  Presentations
Configuration tags
  SURVEY
  SECURITY
Visible variable-carrying tags
  BOOLEAN
  CHOICE
  CUSTOM
  LIST
  LICKERT
  MATRIX
  MEMO
  TEXT
Invisible variable-carrying tags
  CONSTANT
  DATETIME
  ENV
  TIMER
Tags related to multipaging
  CASEROUTE
  IFROUTE
  ROUTE
  SEQUENCE
Layout-related ans other tags
  NEWLINE
  COMMENT
Extra HTML markup syntax
  Colors
  Font styles
  Graphics
  Special characters
  Custom html
Dynamic content
  Including external files
  Referencing previous variables
  Perl snippets
  
(Presentation files)