Here, you will find guides on how to start creating your very own adventure gamebook, from a simple step by step walkthrough guide to advanced SEL / ABML tags.

Guides:
Creating Adventures Introduction
Creating A Simple Adventure
Beyond Simple Adventures
SEL Introduction
Creating An Adventure Step By Step
Part 1
Part 2
Part 3
Part 4

ABML References:
ABML Tag References
XHTML Tags in ABML

SEL References:
SEL Operators
SEL Variuables & Constants
SEL Flow Control