From the announcement:
Arborell.com is pleased to announce that the competition guidelines and timetable for the 2015 Windhammer Prize for Short Gamebook Fiction are now available.
This contest is proudly sponsored by arborell.com and continues in its eighth year as a means to promote the gamebook genre, and to provide exposure within a competitive environment for aspiring gamebook authors. In particular this prize values creative and original works of gamebook fiction. The challenge given to those who wish to participate is to develop a full gamebook experience whilst meeting stringent requirements regarding length and original content. This competition is open to all gamebook writers and requires no entry fee or other costs.
All prospective participants should note that there have been changes to the competition rules and all authors should be aware of these changes prior to submission. Most important amongst these are an increase in the cash prize for the First Prize Winner, clarification of what can be included as a unique setting, and the need for entries to be previously unpublished works. The prize pool remains the same for 2015 and includes commercial publication of First Prize and Merit Award winners, cash prizes and certificates memorialising all winning entries.