Falcom has posted that the Sen no Kiseki Scenario Book will go on sale in June. They have opened preorders for it on their site. The data for the book follows:
Falcom Shop Product Number: B117
Pages: A5 – 704 pages
Release Date: 6/19/2015
Price: 2700 yen
This is the next book of the scenario book series, containing the game scripts for each of the Kiseki titles. This book will contain the text from the main scenario, side quests, and the character bond events throughout the game.